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1. Both numbers are prime.

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Q: What are the common factors of 5 and 7?
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What are the common factors of 35 and 105?

The common factors of 5 and 35 are 1 and 5.


What is the highest common factor of 5 7 and 10?

The factors of 5 are 1 and 5. The factors of 7 are 1 and 7. The factors of 10 are 1,2,5 and 10. So the highest common factor is 1.


What are the common factors and greatest common factor of 21 and 5 6?

The common factors are 1 and 7. The GCF is 7.


Common Factors of 140 and 25?

the common factors of 140 and 25 are 1, and 5


What are the common factors of 140 and 105?

The common factors are: 1, 5, 7, 35


What is the greatest common factor of 28n and 35?

The prime factors of 28n are 2, 2, 7, and n. The prime factors of 35 are 5 and 7. The common prime factor that is known is 7. If n is 5 or a multiple of 5, the common prime factors are 5 and 7. There are two possibilities: - If n is not 5 or a multiple of 5, the greatest common factor is 7. - If n is 5 or a multiple of 5, the greatest common factor is 5 x 7 = 35.


What are the common factors for 21 and 35 explain?

The factors of 21 are:1, 3, 7, 21The factors of 35 are:1, 5, 7, 35The common factors are:1, 7


What are the common factors and greatest common factor of 7 and 25?

The factors of 7 are 1, 7 The factors of 25 are 1, 5, 25 → The common factor(s) of 7 and 25 is (are): 1 → greatest common factor is 1.


How do I get the answer to 7 of the greatest common factor of 35 and 56?

The factors of 35 are:1, 5, 7, 35 The factors of 56 are:1, 2, 4, 7, 8, 14, 28, 56 The common factors are:1, 7 The Greatest Common Factor:GCF = 7


What is GCD for 35 and 49?

Find the prime factors of each, and multiply groupings of common factors, as well as individual, ungrouped factors, and you have the LCD (least common denominator): 35 = 5 * 7 49 = 7 * 7 LCD = 5 * 7 * 7 = 245 To get the GCF (greatest common factor), multiply groupings of common factors: GCF = 7


Common factors of fifteen and thirty-five?

The factors of 15 are:1, 3, 5, 15The factors of 35 are:1, 5, 7, 35The common factors are: 1, 5


What are the common factors of 21 and 100?

The factors of 21 are:1, 3, 7, 21The factors of 350 are:1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350The common factors are:1, 7