GCF (HCF) of 100 and 370

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What is the Greatest Common Divisor of 100 and 370?

Answer

GCF (HCF) of 100 and 370 is
10

Common factors: 1, 2, 5, 10

10 divides both: 100 ÷ 10 = 10, 370 ÷ 10 = 37 — and 10 and 37 share no factor but 1, so no larger number divides both.

100 = 22 × 52

370 = 2 × 5 × 37

Prime100370Lowest power
22222
55255
37—37—

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

GCF = 2 × 5 = 10

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GCF Table

Number 1Number 2GCF
10025050
10026020
10027010
10027525
10028020
10029010
100300100
1003055
10031010
1003155
1003355
1003455
10035050
1003555
10036020
10037010
10037525
10038020
10039010
1003955
100400100
10041010
1004155
10042020
10042525
10043010
1004355
10044020
1004455
10046020

FAQ

What is the Greatest Common Divisor of 100 and 370?

GCF (HCF) of 100 and 370 is 10

How to find the GCF of 100 and 370?

You can find the GCF of 100 and 370 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 100 and 370 is 10.

What prime factors do 100 and 370 share?

The prime factorizations of 100 and 370 have 2 × 5 in common, and multiplying those shared primes gives 10 — exactly the greatest common factor.

How does the GCF reduce the fraction 100/370?

Divide the numerator and the denominator by the GCF 10: 100 ÷ 10 = 10 and 370 ÷ 10 = 37. So 100/370 in lowest terms is 10/37.

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