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 7641, 7645 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7641 and 7645 is 1.
GCF(7641,7645) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7641
3 | 7641 |
3 | 2547 |
3 | 849 |
283 | 283 |
1 |
Prime factors of 7641 are 3,283. Prime factorization of 7641 in exponential form is:
7641 = 33×2831
Prime Factorization of 7645
5 | 7645 |
11 | 1529 |
139 | 139 |
1 |
Prime factors of 7645 are 5,11,139. Prime factorization of 7645 in exponential form is:
7645 = 51×111×1391
∴ So by taking common prime factors GCF of 7641 and 7645 is 1
Factors of 7641
List of positive integer factors of 7641 that divides 7641 without a remainder.
1,3,9,27,283,849,2547,7641
Factors of 7645
List of positive integer factors of 7645 that divides 7645 without a remainder.
1,5,11,55,139,695,1529,7645
Greatest Common Factor
We found the factors and prime factorization of 7641 and 7645. The biggest common factor number is the GCF number.
So the greatest common factor 7641 and 7645 is 1.
Also check out the Least Common Multiple of 7641 and 7645
(i) The GCF of 7641 and 7645 is associative
GCF of 7641 and 7645 = GCF of 7645 and 7641
1. What is the GCF of 7641 and 7645?
Answer: GCF of 7641 and 7645 is 1.
2. What are the Factors of 7641?
Answer: Factors of 7641 are 1, 3, 9, 27, 283, 849, 2547, 7641. There are 8 integers that are factors of 7641. The greatest factor of 7641 is 7641.
3. What are the Factors of 7645?
Answer: Factors of 7645 are 1, 5, 11, 55, 139, 695, 1529, 7645. There are 8 integers that are factors of 7645. The greatest factor of 7645 is 7645.
4. How to Find the GCF of 7641 and 7645?
Answer:
Greatest Common Factor of 7641 and 7645 = 1
Step 1: Find the prime factorization of 7641
7641 = 3 x 3 x 3 x 283
Step 2: Find the prime factorization of 7645
7645 = 5 x 11 x 139
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 7641 and 7645 is 1