What is the Greatest Common Factor of 615 and 627?
Greatest common factor (GCF) of 615 and 627 is 3.
GCF(615,627) = 3
We will now calculate the prime factors of 615 and 627, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 615 and 627.
How to find the GCF of 615 and 627?
We will first find the prime factorization of 615 and 627. After we will calculate the factors of 615 and 627 and find the biggest common factor number .
Step-1: Prime Factorization of 615
Prime factors of 615 are 3, 5, 41. Prime factorization of 615 in exponential form is:
615 = 31 × 51 × 411
Step-2: Prime Factorization of 627
Prime factors of 627 are 3, 11, 19. Prime factorization of 627 in exponential form is:
627 = 31 × 111 × 191
Step-3: Factors of 615
List of positive integer factors of 615 that divides 615 without a remainder.
1, 3, 5, 15, 41, 123, 205
Step-4: Factors of 627
List of positive integer factors of 627 that divides 615 without a remainder.
1, 3, 11, 19, 33, 57, 209
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 615 and 627. The biggest common factor number is the GCF number.
So the greatest common factor 615 and 627 is 3.
Also check out the Least Common Multiple of 615 and 627
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Related Greatest Common Factors of 627
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