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 617, 621 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 617 and 621 is 1.
GCF(617,621) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 617
617 | 617 |
1 |
Prime factors of 617 are 617. Prime factorization of 617 in exponential form is:
617 = 6171
Prime Factorization of 621
3 | 621 |
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 621 are 3.Prime factorization of 621 in exponential form is:
621 = 33×231
∴ So by taking common prime factors GCF of 617 and 621 is 1
Factors of 617
List of positive integer factors of 617 that divides 617 without a remainder.
1,617
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 617 and 621. The biggest common factor number is the GCF number.
So the greatest common factor 617 and 621 is 1.
Also check out the Least Common Multiple of 617 and 621
(i) The GCF of 617 and 621 is associative
GCF of 617 and 621 = GCF of 621 and 617
1. What is the GCF of 617 and 621?
Answer: GCF of 617 and 621 is 1.
2. What are the Factors of 617?
Answer: Factors of 617 are 1, 617. There are 2 integers that are factors of 617. The greatest factor of 617 is 617.
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 617 and 621?
Answer:
Greatest Common Factor of 617 and 621 = 1
Step 1: Find the prime factorization of 617
617 = 617
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 617 and 621 is 1