Solutions by everydaycalculation.com

The GCF of 1155 and 1764 is 21.

- Find the prime factorization of 1155

1155 = 3 × 5 × 7 × 11 - Find the prime factorization of 1764

1764 = 2 × 2 × 3 × 3 × 7 × 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: 2310 & 3528 3465 & 5292 385 & 588 5775 & 8820 165 & 252 2310 & 1764 1155 & 3528 3465 & 1764 1155 & 5292 5775 & 1764 1155 & 8820 8085 & 1764

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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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