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The factors of 7 are 1 and 7.

The factors of 21 are 1, 3, 7, and 21.

The only numbers that are factors of BOTH 7 and 21 are 1 and 7.

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Q: What are the factors of 7 and 21?
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Related questions

What are the factors of 14 what are the factors of 21?

The factors of 14 are: 1, 2, 7, 14 The factors of 21 are: 1, 3, 7, 21


What is the greatest common factor for 21 7?

Factors of 21: 1, 3, 7, 21.Factors of 7: 1, 7.GCF (21, 7) = 7


What are the factors and prime factors of 21 in exponet form?

The factors of 21 are: 1 3 7 21 The prime factors are: 3 and 7


What are the factors for 21 35 and 49?

Factors of 21 are 3 and 7 (21=3x7). Factors of 35 are 5 and 7 (35=5x7). Factors of 49 are 7 and 7 (49=7x7).


What is the factor of 21 and 49?

Factors or 21 are: 1 3 7 21 Factors or 49 are: 1 7 49 Common factors of 21 and 49 are: 1 and 7


What are the factors in 21?

The factors of 21 are 1, 3, 7, and 21


What is the factors and prime factors of 21?

The factors are 1, 3, 7 and 21. 3 and 7 are prime.


What are prime numbers of 21?

factors of 21: 3, 7 prime factors of 21: 3, 7


What is the factors of numbers 21 and 49?

The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.


What are the factors and prime factors of -21?

1, -1, 3, -3, 7, -7, 21, -21 3 and 7 are prime.


What are the factors of 21?

The factors of 21 are: 1, 3, 7, and 21. The factor pairs of 21 are (1, 21) and (3, 7).`1.3,7.21


What are the factors and prime factors of 15 and 21?

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.