What is the Greatest Common Factor of 628 and 634?
Greatest common factor (GCF) of 628 and 634 is 2.
GCF(628,634) = 2
We will now calculate the prime factors of 628 and 634, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 628 and 634.
How to find the GCF of 628 and 634?
We will first find the prime factorization of 628 and 634. After we will calculate the factors of 628 and 634 and find the biggest common factor number .
Step-1: Prime Factorization of 628
Prime factors of 628 are 2, 157. Prime factorization of 628 in exponential form is:
628 = 22 × 1571
Step-2: Prime Factorization of 634
Prime factors of 634 are 2, 317. Prime factorization of 634 in exponential form is:
634 = 21 × 3171
Step-3: Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1, 2, 4, 157, 314
Step-4: Factors of 634
List of positive integer factors of 634 that divides 628 without a remainder.
1, 2, 317
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 628 and 634. The biggest common factor number is the GCF number.
So the greatest common factor 628 and 634 is 2.
Also check out the Least Common Multiple of 628 and 634
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