GCF (HCF) of 250 and 128

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What is the Greatest Common Divisor of 250 and 128?

Answer

GCF (HCF) of 250 and 128 is
2

Common factors: 1, 2

2 divides both: 250 ÷ 2 = 125, 128 ÷ 2 = 64 — and 125 and 64 share no factor but 1, so no larger number divides both.

250 = 2 × 53

128 = 27

Prime250128Lowest power
22272
553——

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

GCF = 2

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GCF Table

Number 1Number 2GCF
2501131
2501142
2501155
2501162
2501171
2501182
2501191
25012010
2501211
2501222
2501231
2501242
250125125
2501262
2501271
2501282
2501291
25013010
2501311
2501322
2501331
2501342
2501355
2501362
2501371
2501382
2501391
25014010
2501411
2501422

FAQ

What is the Greatest Common Divisor of 250 and 128?

GCF (HCF) of 250 and 128 is 2

How to find the GCF of 250 and 128?

You can find the GCF of 250 and 128 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 250 and 128 is 2.

What prime factors do 250 and 128 share?

The prime factorizations of 250 and 128 have 2 in common, and multiplying those shared primes gives 2 — exactly the greatest common factor.

How does the GCF reduce the fraction 250/128?

Divide the numerator and the denominator by the GCF 2: 250 ÷ 2 = 125 and 128 ÷ 2 = 64. So 250/128 in lowest terms is 125/64.

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