What is the Greatest Common Factor of 624 and 637?
Greatest common factor (GCF) of 624 and 637 is 13.
GCF(624,637) = 13
We will now calculate the prime factors of 624 and 637, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 624 and 637.
How to find the GCF of 624 and 637?
We will first find the prime factorization of 624 and 637. After we will calculate the factors of 624 and 637 and find the biggest common factor number .
Step-1: Prime Factorization of 624
Prime factors of 624 are 2, 3, 13. Prime factorization of 624 in exponential form is:
624 = 24 × 31 × 131
Step-2: Prime Factorization of 637
Prime factors of 637 are 7, 13. Prime factorization of 637 in exponential form is:
637 = 72 × 131
Step-3: Factors of 624
List of positive integer factors of 624 that divides 624 without a remainder.
1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312
Step-4: Factors of 637
List of positive integer factors of 637 that divides 624 without a remainder.
1, 7, 13, 49, 91
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 624 and 637. The biggest common factor number is the GCF number.
So the greatest common factor 624 and 637 is 13.
Also check out the Least Common Multiple of 624 and 637
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