Solutions by everydaycalculation.com

The GCF of 987 and 1008 is 21.

- Find the prime factorization of 987

987 = 3 × 7 × 47 - Find the prime factorization of 1008

1008 = 2 × 2 × 2 × 2 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 7 - GCF =
**21**

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Find hcf of: 1974 & 2016 2961 & 3024 329 & 336 4935 & 5040 6909 & 7056 141 & 144 1974 & 1008 987 & 2016 2961 & 1008 987 & 3024 4935 & 1008 987 & 5040 6909 & 1008 987 & 7056

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).

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