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 628, 635 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 628 and 635 is 1.
GCF(628,635) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 635
5 | 635 |
127 | 127 |
1 |
Prime factors of 635 are 5,127. Prime factorization of 635 in exponential form is:
635 = 51×1271
∴ So by taking common prime factors GCF of 628 and 635 is 1
Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1,2,4,157,314,628
Factors of 635
List of positive integer factors of 635 that divides 635 without a remainder.
1,5,127,635
Greatest Common Factor
We found the factors and prime factorization of 628 and 635. The biggest common factor number is the GCF number.
So the greatest common factor 628 and 635 is 1.
Also check out the Least Common Multiple of 628 and 635
(i) The GCF of 628 and 635 is associative
GCF of 628 and 635 = GCF of 635 and 628
1. What is the GCF of 628 and 635?
Answer: GCF of 628 and 635 is 1.
2. 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.
3. What are the Factors of 635?
Answer: Factors of 635 are 1, 5, 127, 635. There are 4 integers that are factors of 635. The greatest factor of 635 is 635.
4. How to Find the GCF of 628 and 635?
Answer:
Greatest Common Factor of 628 and 635 = 1
Step 1: Find the prime factorization of 628
628 = 2 x 2 x 157
Step 2: Find the prime factorization of 635
635 = 5 x 127
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 628 and 635 is 1