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 622, 628 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 622 and 628 is 2.
GCF(622,628) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 622
2 | 622 |
311 | 311 |
1 |
Prime factors of 622 are 2,311. Prime factorization of 622 in exponential form is:
622 = 21×3111
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 622 and 628 is 2
Factors of 622
List of positive integer factors of 622 that divides 622 without a remainder.
1,2,311,622
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 622 and 628. The biggest common factor number is the GCF number.
So the greatest common factor 622 and 628 is 2.
Also check out the Least Common Multiple of 622 and 628
(i) The GCF of 622 and 628 is associative
GCF of 622 and 628 = GCF of 628 and 622
1. What is the GCF of 622 and 628?
Answer: GCF of 622 and 628 is 2.
2. What are the Factors of 622?
Answer: Factors of 622 are 1, 2, 311, 622. There are 4 integers that are factors of 622. The greatest factor of 622 is 622.
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 622 and 628?
Answer:
Greatest Common Factor of 622 and 628 = 2
Step 1: Find the prime factorization of 622
622 = 2 x 311
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 = 2
Step 4: Therefore, the greatest common factor of 622 and 628 is 2