Solutions by everydaycalculation.com

The gcf of 49 and 10 is 1.

- Find the prime factorization of 49

49 = 7 × 7 - Find the prime factorization of 10

10 = 2 × 5 - To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

The greatest common factor (gcf) is also known as greatest common divisor (gcd) or highest common factor (hcf).

Find hcf of: 98 & 20 147 & 30 245 & 50 343 & 70 98 & 10 49 & 20 147 & 10 49 & 30 245 & 10 49 & 50 343 & 10 49 & 70

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