What is the Greatest Common Factor of 621 and 631?
Greatest common factor (GCF) of 621 and 631 is 1.
GCF(621,631) = 1
We will now calculate the prime factors of 621 and 631, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 621 and 631.
How to find the GCF of 621 and 631?
We will first find the prime factorization of 621 and 631. After we will calculate the factors of 621 and 631 and find the biggest common factor number .
Step-1: Prime Factorization of 621
Prime factors of 621 are 3, 23. Prime factorization of 621 in exponential form is:
621 = 33 × 231
Step-2: Prime Factorization of 631
Prime factors of 631 are 631. Prime factorization of 631 in exponential form is:
631 = 6311
Step-3: Factors of 621
List of positive integer factors of 621 that divides 621 without a remainder.
1, 3, 9, 23, 27, 69, 207
Step-4: Factors of 631
List of positive integer factors of 631 that divides 621 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 621 and 631. The biggest common factor number is the GCF number.
So the greatest common factor 621 and 631 is 1.
Also check out the Least Common Multiple of 621 and 631
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Related Greatest Common Factors of 631
- GCF of 631 and 635
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