GCF (HCF) of 48 and 12

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What is the Greatest Common Divisor of 48 and 12?

Answer

GCF (HCF) of 48 and 12 is
12

Common factors: 1, 2, 3, 4, 6, 12

12 divides 48 (48 ÷ 12 = 4), so the GCF is the smaller number itself.

48 = 24 × 3

12 = 22 × 3

Prime4812Lowest power
2242222
3333

GCF = 22 × 3 = 12

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GCF Table

Number 1Number 2GCF
481212
483216
483612
48491
48502
48513
48524
48531
48546
48568
48573
48582
48591
486012
486416
48666
487224
48753
488016
48813
488412
48906
489648
48993
481004
4812024
4812816
4816824
484506

FAQ

What is the Greatest Common Divisor of 48 and 12?

GCF (HCF) of 48 and 12 is 12

How to find the GCF of 48 and 12?

You can find the GCF of 48 and 12 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 48 and 12 is 12.

What prime factors do 48 and 12 share?

The prime factorizations of 48 and 12 have 2 × 2 × 3 in common, and multiplying those shared primes gives 12 — exactly the greatest common factor.

How does the GCF reduce the fraction 48/12?

Divide the numerator and the denominator by the GCF 12: 48 ÷ 12 = 4 and 12 ÷ 12 = 1. So 48/12 in lowest terms is 4/1.

See Also