What is the Greatest Common Factor of 631 and 638?
Greatest common factor (GCF) of 631 and 638 is 1.
GCF(631,638) = 1
We will now calculate the prime factors of 631 and 638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 631 and 638.
How to find the GCF of 631 and 638?
We will first find the prime factorization of 631 and 638. After we will calculate the factors of 631 and 638 and find the biggest common factor number .
Step-1: Prime Factorization of 631
Prime factors of 631 are 631. Prime factorization of 631 in exponential form is:
631 = 6311
Step-2: Prime Factorization of 638
Prime factors of 638 are 2, 11, 29. Prime factorization of 638 in exponential form is:
638 = 21 × 111 × 291
Step-3: Factors of 631
List of positive integer factors of 631 that divides 631 without a remainder.
1
Step-4: Factors of 638
List of positive integer factors of 638 that divides 631 without a remainder.
1, 2, 11, 22, 29, 58, 319
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 631 and 638. The biggest common factor number is the GCF number.
So the greatest common factor 631 and 638 is 1.
Also check out the Least Common Multiple of 631 and 638
Related Greatest Common Factors of 631
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Related Greatest Common Factors of 638
- GCF of 638 and 642
- GCF of 638 and 643
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- GCF of 638 and 645
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- GCF of 638 and 653
- GCF of 638 and 654
- GCF of 638 and 655
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