What is the Greatest Common Factor of 622 and 628?
Greatest common factor (GCF) of 622 and 628 is 2.
GCF(622,628) = 2
We will now calculate the prime factors of 622 and 628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 622 and 628.
How to find the GCF of 622 and 628?
We will first find the prime factorization of 622 and 628. After we will calculate the factors of 622 and 628 and find the biggest common factor number .
Step-1: Prime Factorization of 622
Prime factors of 622 are 2, 311. Prime factorization of 622 in exponential form is:
622 = 21 × 3111
Step-2: Prime Factorization of 628
Prime factors of 628 are 2, 157. Prime factorization of 628 in exponential form is:
628 = 22 × 1571
Step-3: Factors of 622
List of positive integer factors of 622 that divides 622 without a remainder.
1, 2, 311
Step-4: Factors of 628
List of positive integer factors of 628 that divides 622 without a remainder.
1, 2, 4, 157, 314
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 622 and 628. The biggest common factor number is the GCF number.
So the greatest common factor 622 and 628 is 2.
Also check out the Least Common Multiple of 622 and 628
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