# What are the factors of 18 why?

# What are the factors and prime factors of 18?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The prime factors are 2 x 3 x 3. 18 is a composite number.

# What are the prime factors of 18?

The prime factors of 18 are 2 and 3. To find the prime factors of 18, find any two factors of 18, suchas 2 and 9. 2 X 9 = 18 Since 2 is a prime number, find two factors of 9, but don't dropthe 2. 2 X 3 X 3 = 18. Since 2 and 3 are both prime numbers, 2 X 3 X 3 is the primefactorization of 18. 2 …and 3 are prime. (MORE)

# What are all the factors of 18?

1,2, 3, 6, 9, 18 are the factors of 18. 1, 2, 3, 6, 9, and 18 are.

# What is a factor tree for 18?

18 .
6, 3 .
2, 3, 3 .
or .
18 .
2, 9 .
2, 3, 3

# What are the factors and prime factors of -18?

The factors of -18 are 1, 2, 3, 6, 9, 18 and their negative counterparts. The prime factors are 2 and 3.

# What are the factors of 18?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factor pairs of 18are 1x18, 9x2, and 6x3. 1, 2, 3, 6, 9, 18.

# What are the factors and prime factors of 18 and 12?

1, 2, 3, 4, 6, 12 1, 2, 3, 6, 9, 18 2 and 3 are prime.

# What are the factors of 18 which are factors of 30?

The factors of 18 are 1, 2, 3, 6, 9, and 18 .
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30 .
The common factors of 18 and 30 are 1, 2, 3, and 6

# What are the factors and prime factors of 18 and 21?

The factors of 18 are: 1, 2, 3, 6, 9, and 18. The prime factors of 18 are: 2 and 3. The factors of 21 are: 1, 3, 7, and 21. The prime factors of 21 are: 3 and 7.

# What are the factors and prime factors of 18 and 20?

The factors of 18 are: 1, 2, 3, 6, 9, and 18. The prime factors of 18 are: 2 and 3. The factors of 20 are: 1, 2, 4, 5, 10, and 20. The prime factors of 20 are: 2 and 5.

# What are the factors and prime factors of 18 and 30?

The factors of 18 are: 1, 2, 3, 6, 9, and 18. The prime factors of 18 are: 2 and 3. The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, and 30. The prime factors of 30 are: 2, 3, and 5.

# What are the factors and prime factors of 18 and 81?

The factors of 18 are: 1, 2, 3, 6, 9, and 18. The prime factors of 18 are: 2 and 3. The factors of 81 are: 1, 3, 9, 27, and 81. The only prime factor of 81 is: 3.

# What are the factors of 18 and 21?

The factors of 21 are 1, 3, 7 and 21. The factors of 18 are 1, 2, 3, 6, and 18.

# What are the factors of 18 and 81?

The factors of 18 are 1,2,3,6,9, and 18. The factors of 81 are1,3,9,27, and 81.

# What are the factors and prime factors of 12 and 18?

Factors for 12 are: 1, 2, 3, 4, 6, 12 Factors for 18 are: 1, 2, 3, 6, 9, 18 Out of these 2 and 3 are the prime factors.

# All the factor pair for 18?

There are 3 factor pairs of 18: 18 = 1 x 18 18 = 2 x 9 18 = 3 x 6

# Common factors of 18 and 21?

The factors of 21 are 1, 3, 7 and 21. The factors of 18 are 1, 2, 3, 6, 14 and 18. Therefore the common factors are 1 and 3.

# What are the factors of 18 and 57?

The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 57 are 1,3, 19, 57

# What are the factors of 18 45 and 54?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54

# What are the factors of 18 24 and 36?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24 The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36

# What are the factors of 18 28 and 34?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 28 are 1, 2, 4, 7, 14, and 28. The factors of 34 are 1, 2, 17, and 34. The common factors of all three of those numbers are 1 and 2 .

# What is the highest factor of 18 and 45?

18 and 45 so you do 18 = 2x2x3 45=5x3x3 hcf =3x3 =9 the answer is 9

# What are the common factors for 6 and 18?

The factors of 6 are: 1, 2, 3, 6 The factors of 18 are: 1, 2, 3, 6, 9, 18 The common factors are: 1, 2, 3, 6

# What are the factors of 14 and 18?

The factors of 14 are: 1, 2, 7, 14 The factors of 18 are: 1, 2, 3, 6, 9, 18

# What are the factors of 12 18 and 21?

The factors of them are: 12: 1, 2, 3, 4, 6, 12 18: 1, 2, 3, 6, 9, 18 21: 1, 3, 7, 21

# What are the factors of 18 21 and 27?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 21 are: 1, 3, 7, 21 The factors of 27 are: 1, 3, 9, 27

# What is the prime factorization of 18 and 24?

2 x 3 x 3 = 18 2 x 2 x 2 x 3 = 24

# What are the factors of 18 and 52?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 52 are: 1, 2, 4, 13, 26, 52

# What are the factors of 9 18 42?

1, 3, 9 1, 2, 3, 6, 9, 18 1, 2, 3, 6, 7, 14, 21, 42

# What are the factors of 18 and 28?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 28 are: 1, 2, 4, 7, 14, 28

# What r the factors of 18 and 36?

Other than 36 having the factor of 36, they have the exact same factors. 1, 2, 3, 4, 6, 9, 12, & 18

# What are the factors of 9 12 and 18?

The factors of 9 are 1, 3, 9 The factors of 12 are 1, 2, 3, 4, 6, 12 The factors of 18 are 1, 2, 3, 6, 9, 18

# What are the factors and the common factors of 12 and 18?

The factors of 12 are: 1, 2, 3, 4, 6, 12 The factors of 18 are: 1, 2, 3, 6, 9, 18 The common factors are: 1, 2, 3, 6

# Is 60 a factor of 18?

It is not, since 60 ends in a 0 , and 18 is an even number, they are not factors of each other.

# What are the factors and multiples of 18 and 24?

The factors of 18 are 1, 2, 3, 6, 9, and 18 The multiples of 18 are 18, 36, 54, 72, 90, 108, 126, 144, 162, 180and so on. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 The multiples of 24 are 24, 48, 72, 96, 120, 144, 168, 192, 216,240 and so on.

# Does 18 have 5 factors?

Including 1 and 18, 18 has 6 factors: 1, 2, 3, 6, 9, and 18.

# What are the common factors for 18 and 9?

The factors of 9 are: 1, 3, 9 The factors of 18 are: 1, 2, 3, 6, 9, 18 The common factors are: 1, 3, 9

# What are the factors of 18 and 7?

The positive integer factors of 18 are: 1 2 3 6 9 18 The positive integer factors of 7 are: 1 7 Since 7 is a prime number, the only positive integer common factors of the two numbers is the number 1.

# What are the factors of 84 and 18?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

# How do you get the factors of 18?

when trying to find factors always start dividing with a low number. start with 2. 18/2 = 9 (remember 2 is a factor) 9/2 = 4.5 (cant use this.. now go to three) 9/3 = 3 (remember 3 is a factor) 3/2 = 1.5 (cant use this) 3/3 = 1 (once you get to one you have finished) 2 * 3 * 3 = 18

# What are the factors of 18 and27?

The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 27 are: 1, 3, 9, 27

# What is a pronumeral factor of 6 and 18?

A pronumeral is a letter that is used to represent a number (or numeral) in a problem.Neither 6 nor 18 has any of those. The common factors of 6 and 18 are 1, 2, 3 and 6.

# What is the common factor of 18?

The factors of 18 are 1, 2, 3, 6, 9, 18. For them to be common,they need to be compared to another set of factors.

# How do you know they are factors of 18?

1,2,3,6,9 and 18 are the only numbers that will divide evenly into 18 with no remainder.

# What factors of 36 are not factors of 18?

To answer this question you first need to isolate the prime factors in each number. In this case the numbers are 36 and 18 so the prime factors are: 18 = 2x3x3 36 = 2x2x3x3 The next step is to identify any unique factors. In this case, the only prime factor 36 has which 18 doesn't is a second 2. Th…us any combination of the prime factors of 36 which includes both 2s will not be a factor of 18. These numbers are 4, 12 and 36. (MORE)

# What are all the factors of 18 and factors of 30?

The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30 .

# Is 18 a factorization?

No, 18 is a whole number. 2 x 3 x 3 is the prime factorization for 18.

# What are the factors and prime factors of 18 and 54?

1, 2, 3, 6, 9, 18 1, 2, 3, 6, 9, 18, 27, 54 2 and 3 are prime.

# What are the factors of 18-?

There are a few different factors of 18. They include 1, 2, 3, 6, 9and 18.

# What is the factor of 18 and circle the common factor?

The factors of 18 are 1, 2, 3, 6, 9 and 18. For any of them to becommon, they need to be compared to another set of factors.