What is the GCF of 49 and 715?
The GCF of 49 and 715 is 1.
Steps to find GCF
- Find the prime factorization of 49
49 = 7 × 7 - Find the prime factorization of 715
715 = 5 × 11 × 13 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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Find HCF of: 98 & 1430 147 & 2145 245 & 3575 343 & 5005 98 & 715 49 & 1430 147 & 715 49 & 2145 245 & 715 49 & 3575 343 & 715 49 & 5005
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).