Solutions by everydaycalculation.com

The GCF of 35 and 253 is 1.

- Find the prime factorization of 35

35 = 5 × 7 - Find the prime factorization of 253

253 = 11 × 23 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

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Find hcf of: 70 & 506 105 & 759 175 & 1265 245 & 1771 70 & 253 35 & 506 105 & 253 35 & 759 175 & 253 35 & 1265 245 & 253 35 & 1771

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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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