GCF (HCF) of 60 and 220

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What is the Greatest Common Divisor of 60 and 220?

Answer

GCF (HCF) of 60 and 220 is
20

Common factors: 1, 2, 4, 5, 10, 20

20 divides both: 60 ÷ 20 = 3, 220 ÷ 20 = 11 — and 3 and 11 share no factor but 1, so no larger number divides both.

60 = 22 × 3 × 5

220 = 22 × 5 × 11

Prime60220Lowest power
2222222
33——
5555
11—11—

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

GCF = 22 × 5 = 20

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GCF Table

Number 1Number 2GCF
6012060
6013212
6013515
6014020
601455
6015030
6016515
6017010
601755
6018060
601855
6019515
6020020
602055
6021030
6022020
6022515
602455
6025010
6026020
602755
6029010
603255
603355
603555
6037515
603855
6039030
6040020
6042060

FAQ

What is the Greatest Common Divisor of 60 and 220?

GCF (HCF) of 60 and 220 is 20

How to find the GCF of 60 and 220?

You can find the GCF of 60 and 220 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 60 and 220 is 20.

What prime factors do 60 and 220 share?

The prime factorizations of 60 and 220 have 2 × 2 × 5 in common, and multiplying those shared primes gives 20 — exactly the greatest common factor.

How does the GCF reduce the fraction 60/220?

Divide the numerator and the denominator by the GCF 20: 60 ÷ 20 = 3 and 220 ÷ 20 = 11. So 60/220 in lowest terms is 3/11.

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