GCF (HCF) of 13 and 52

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What is the Greatest Common Divisor of 13 and 52?

Answer

GCF (HCF) of 13 and 52 is
13

Common factors: 1, 13

13 divides 52 (52 ÷ 13 = 4), so the GCF is the smaller number itself.

13 — prime

52 = 22 × 13

Prime1352Lowest power
2—22—
13131313

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

GCF = 13

See Also

FAQ

What is the Greatest Common Divisor of 13 and 52?

GCF (HCF) of 13 and 52 is 13

How to find the GCF of 13 and 52?

You can find the GCF of 13 and 52 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 13 and 52 is 13.

What prime factors do 13 and 52 share?

The prime factorizations of 13 and 52 have 13 in common, and multiplying those shared primes gives 13 — exactly the greatest common factor.

How does the GCF reduce the fraction 13/52?

Divide the numerator and the denominator by the GCF 13: 13 ÷ 13 = 1 and 52 ÷ 13 = 4. So 13/52 in lowest terms is 1/4.