GCF (HCF) of 8 and 60

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What is the Greatest Common Divisor of 8 and 60?

Answer

GCF (HCF) of 8 and 60 is
4

Common factors: 1, 2, 4

4 divides both: 8 ÷ 4 = 2, 60 ÷ 4 = 15 — and 2 and 15 share no factor but 1, so no larger number divides both.

8 = 23

60 = 22 × 3 × 5

Prime860Lowest power
2232222
3—3—
5—5—

— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.

GCF = 22 = 4

See Also

FAQ

What is the Greatest Common Divisor of 8 and 60?

GCF (HCF) of 8 and 60 is 4

How to find the GCF of 8 and 60?

You can find the GCF of 8 and 60 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 8 and 60 is 4.

What prime factors do 8 and 60 share?

The prime factorizations of 8 and 60 have 2 × 2 in common, and multiplying those shared primes gives 4 — exactly the greatest common factor.

How does the GCF reduce the fraction 8/60?

Divide the numerator and the denominator by the GCF 4: 8 ÷ 4 = 2 and 60 ÷ 4 = 15. So 8/60 in lowest terms is 2/15.