What is the Greatest Common Factor of 620 and 627?
Greatest common factor (GCF) of 620 and 627 is 1.
GCF(620,627) = 1
We will now calculate the prime factors of 620 and 627, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 620 and 627.
How to find the GCF of 620 and 627?
We will first find the prime factorization of 620 and 627. After we will calculate the factors of 620 and 627 and find the biggest common factor number .
Step-1: Prime Factorization of 620
Prime factors of 620 are 2, 5, 31. Prime factorization of 620 in exponential form is:
620 = 22 × 51 × 311
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 620
List of positive integer factors of 620 that divides 620 without a remainder.
1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310
Step-4: Factors of 627
List of positive integer factors of 627 that divides 620 without a remainder.
1, 3, 11, 19, 33, 57, 209
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 620 and 627. The biggest common factor number is the GCF number.
So the greatest common factor 620 and 627 is 1.
Also check out the Least Common Multiple of 620 and 627
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