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 616, 621 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 616 and 621 is 1.
GCF(616,621) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 616
2 | 616 |
2 | 308 |
2 | 154 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 616 are 2,7,11. Prime factorization of 616 in exponential form is:
616 = 23×71×111
Prime Factorization of 621
3 | 621 |
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 621 are 3,23. Prime factorization of 621 in exponential form is:
621 = 33×231
∴ So by taking common prime factors GCF of 616 and 621 is 1
Factors of 616
List of positive integer factors of 616 that divides 616 without a remainder.
1,2,4,7,8,11,14,22,28,44,56,77,88,154,308,616
Factors of 621
List of positive integer factors of 621 that divides 621 without a remainder.
1,3,9,23,27,69,207,621
Greatest Common Factor
We found the factors and prime factorization of 616 and 621. The biggest common factor number is the GCF number.
So the greatest common factor 616 and 621 is 1.
Also check out the Least Common Multiple of 616 and 621
(i) The GCF of 616 and 621 is associative
GCF of 616 and 621 = GCF of 621 and 616
1. What is the GCF of 616 and 621?
Answer: GCF of 616 and 621 is 1.
2. What are the Factors of 616?
Answer: Factors of 616 are 1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616. There are 16 integers that are factors of 616. The greatest factor of 616 is 616.
3. What are the Factors of 621?
Answer: Factors of 621 are 1, 3, 9, 23, 27, 69, 207, 621. There are 8 integers that are factors of 621. The greatest factor of 621 is 621.
4. How to Find the GCF of 616 and 621?
Answer:
Greatest Common Factor of 616 and 621 = 1
Step 1: Find the prime factorization of 616
616 = 2 x 2 x 2 x 7 x 11
Step 2: Find the prime factorization of 621
621 = 3 x 3 x 3 x 23
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 616 and 621 is 1