GCF (HCF) of 108 and 132

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What is the Greatest Common Divisor of 108 and 132?

Answer

GCF (HCF) of 108 and 132 is
12

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

12 divides both: 108 ÷ 12 = 9, 132 ÷ 12 = 11 — and 9 and 11 share no factor but 1, so no larger number divides both.

108 = 22 × 33

132 = 22 × 3 × 11

Prime108132Lowest power
2222222
33333
11—11—

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

GCF = 22 × 3 = 12

See Also

GCF Table

Number 1Number 2GCF
1081179
1081182
1081191
10812012
1081211
1081222
1081233
1081244
1081251
10812618
1081271
1081284
1081293
1081302
1081311
10813212
1081331
1081342
10813527
1081364
1081371
1081386
1081391
1081404
1081413
1081422
1081431
10814436
1081451
1081462

FAQ

What is the Greatest Common Divisor of 108 and 132?

GCF (HCF) of 108 and 132 is 12

How to find the GCF of 108 and 132?

You can find the GCF of 108 and 132 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 108 and 132 is 12.

What prime factors do 108 and 132 share?

The prime factorizations of 108 and 132 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 108/132?

Divide the numerator and the denominator by the GCF 12: 108 ÷ 12 = 9 and 132 ÷ 12 = 11. So 108/132 in lowest terms is 9/11.