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 7715, 7721 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7715 and 7721 is 1.
GCF(7715,7721) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7715
5 | 7715 |
1543 | 1543 |
1 |
Prime factors of 7715 are 5,1543. Prime factorization of 7715 in exponential form is:
7715 = 51×15431
Prime Factorization of 7721
7 | 7721 |
1103 | 1103 |
1 |
Prime factors of 7721 are 7,1103. Prime factorization of 7721 in exponential form is:
7721 = 71×11031
∴ So by taking common prime factors GCF of 7715 and 7721 is 1
Factors of 7715
List of positive integer factors of 7715 that divides 7715 without a remainder.
1,5,1543,7715
Factors of 7721
List of positive integer factors of 7721 that divides 7721 without a remainder.
1,7,1103,7721
Greatest Common Factor
We found the factors and prime factorization of 7715 and 7721. The biggest common factor number is the GCF number.
So the greatest common factor 7715 and 7721 is 1.
Also check out the Least Common Multiple of 7715 and 7721
(i) The GCF of 7715 and 7721 is associative
GCF of 7715 and 7721 = GCF of 7721 and 7715
1. What is the GCF of 7715 and 7721?
Answer: GCF of 7715 and 7721 is 1.
2. What are the Factors of 7715?
Answer: Factors of 7715 are 1, 5, 1543, 7715. There are 4 integers that are factors of 7715. The greatest factor of 7715 is 7715.
3. What are the Factors of 7721?
Answer: Factors of 7721 are 1, 7, 1103, 7721. There are 4 integers that are factors of 7721. The greatest factor of 7721 is 7721.
4. How to Find the GCF of 7715 and 7721?
Answer:
Greatest Common Factor of 7715 and 7721 = 1
Step 1: Find the prime factorization of 7715
7715 = 5 x 1543
Step 2: Find the prime factorization of 7721
7721 = 7 x 1103
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 7715 and 7721 is 1