GCF (HCF) of 60 and 385

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What is the Greatest Common Divisor of 60 and 385?

Answer

GCF (HCF) of 60 and 385 is
5

Common factors: 1, 5

5 divides both: 60 ÷ 5 = 12, 385 ÷ 5 = 77 — and 12 and 77 share no factor but 1, so no larger number divides both.

60 = 22 × 3 × 5

385 = 5 × 7 × 11

Prime60385Lowest power
222——
33——
5555
7—7—
11—11—

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

GCF = 5

See Also

FAQ

What is the Greatest Common Divisor of 60 and 385?

GCF (HCF) of 60 and 385 is 5

How to find the GCF of 60 and 385?

You can find the GCF of 60 and 385 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 60 and 385 is 5.

What prime factors do 60 and 385 share?

The prime factorizations of 60 and 385 have 5 in common, and multiplying those shared primes gives 5 — exactly the greatest common factor.

How does the GCF reduce the fraction 60/385?

Divide the numerator and the denominator by the GCF 5: 60 ÷ 5 = 12 and 385 ÷ 5 = 77. So 60/385 in lowest terms is 12/77.