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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.

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โˆ™ 2010-05-24 16:04:12
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Common factors of 18 and 21?
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Related questions

What are the common factors of 18 and 21?

3


What is the least common factor of 18 and 21?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1. Factorizations: 18-3x3x2 21-7x3


What are the common factors of 18 20 and 24?

The common factors of 18, 20, and 24 are: 1 and 21 and 2


What are the common factors of 12 18 and 21?

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What are the greatest common factors of 21 and 18?

The Greatest Common Factor (GCF) is: 3


What is the least common multiple of 10 18 21 by using by using prime factors?

The Least Common Multiple of 10, 18, 21 is 630.


What is the greatest common factor of 9and18 and 21?

The greatest common factor is 3: Factors of 9: 1, 3, 9 Factors of 18: 1, 2, 3, 6, 9, 18 Factors of 21: 1, 3, 7, 21 The two common factors are 1 and 3 and the greatest of these two 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 is the least common factor of 18 21 and 36?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 21 are 1, 3, 7, and 21. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors they have in common are 1 and 3. So, the least (or lowest) common factor is 1. Note: The least common factor of two or more positive integers will always be 1.


What are the Common factors of 18 and 42?

The common factors of 18 and 42 are 1, 2, 3, and 6. The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The common factors of 18 and 42 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 common factors for 18?

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

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