GCF (HCF) of 50 and 175

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What is the Greatest Common Divisor of 50 and 175?

Answer

GCF (HCF) of 50 and 175 is
25

Common factors: 1, 5, 25

25 divides both: 50 ÷ 25 = 2, 175 ÷ 25 = 7 — and 2 and 7 share no factor but 1, so no larger number divides both.

50 = 2 × 52

175 = 52 × 7

Prime50175Lowest power
22——
5525252
7—7—

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

GCF = 52 = 25

See Also

FAQ

What is the Greatest Common Divisor of 50 and 175?

GCF (HCF) of 50 and 175 is 25

How to find the GCF of 50 and 175?

You can find the GCF of 50 and 175 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 50 and 175 is 25.

What prime factors do 50 and 175 share?

The prime factorizations of 50 and 175 have 5 × 5 in common, and multiplying those shared primes gives 25 — exactly the greatest common factor.

How does the GCF reduce the fraction 50/175?

Divide the numerator and the denominator by the GCF 25: 50 ÷ 25 = 2 and 175 ÷ 25 = 7. So 50/175 in lowest terms is 2/7.