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Common factors of 15 and 20?
15: 1,3,5,15 20: 1,2,4,5,10,20
What are the common factors of 15 and 60?
The factors of 15 are 1, 3, 5, and 15 The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 The common factors of 15 and 60 are 1, 3, 5, and 15
What is the greatest common factor for 45 and 60?
The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. The common factors are 1, 3, 5, and 15. Therefore, the greatest common factor is 15. You can also determine the greatest common factor from the prime factors. The prime factors of 45 are 3, 3, and 5. The prime factors of 60 are 2, 2, 3, and 5. The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.
What are the highest common factors of 15 ad 18?
Common factors of 15 and 18 are: 1 and 3.
What are the greatest common factors of 45 55 and 20?
Factors of 45: 1, 3, 5, 9, 15, 45.Factors of 55: 1, 5, 11, 55.Factors of 20: 1, 2, 4, 5, 10, 20.GCF (45, 55, 20) = 5
