Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 627, 628 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 627 and 628 is 1.
GCF(627,628) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 627
3 | 627 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 627 are 3,11,19. Prime factorization of 627 in exponential form is:
627 = 31×111×191
Prime Factorization of 628
2 | 628 |
2 | 314 |
157 | 157 |
1 |
Prime factors of 628 are 2,157. Prime factorization of 628 in exponential form is:
628 = 22×1571
∴ So by taking common prime factors GCF of 627 and 628 is 1
Factors of 627
List of positive integer factors of 627 that divides 627 without a remainder.
1,3,11,19,33,57,209,627
Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1,2,4,157,314,628
Greatest Common Factor
We found the factors and prime factorization of 627 and 628. The biggest common factor number is the GCF number.
So the greatest common factor 627 and 628 is 1.
Also check out the Least Common Multiple of 627 and 628
(i) The GCF of 627 and 628 is associative
GCF of 627 and 628 = GCF of 628 and 627
1. What is the GCF of 627 and 628?
Answer: GCF of 627 and 628 is 1.
2. What are the Factors of 627?
Answer: Factors of 627 are 1, 3, 11, 19, 33, 57, 209, 627. There are 8 integers that are factors of 627. The greatest factor of 627 is 627.
3. What are the Factors of 628?
Answer: Factors of 628 are 1, 2, 4, 157, 314, 628. There are 6 integers that are factors of 628. The greatest factor of 628 is 628.
4. How to Find the GCF of 627 and 628?
Answer:
Greatest Common Factor of 627 and 628 = 1
Step 1: Find the prime factorization of 627
627 = 3 x 11 x 19
Step 2: Find the prime factorization of 628
628 = 2 x 2 x 157
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 627 and 628 is 1