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 6405, 6412 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6405 and 6412 is 7.
GCF(6405,6412) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 6405
3 | 6405 |
5 | 2135 |
7 | 427 |
61 | 61 |
1 |
Prime factors of 6405 are 3,5,7,61. Prime factorization of 6405 in exponential form is:
6405 = 31×51×71×611
Prime Factorization of 6412
2 | 6412 |
2 | 3206 |
7 | 1603 |
229 | 229 |
1 |
Prime factors of 6412 are 2,7,229. Prime factorization of 6412 in exponential form is:
6412 = 22×71×2291
∴ So by taking common prime factors GCF of 6405 and 6412 is 7
Factors of 6405
List of positive integer factors of 6405 that divides 6405 without a remainder.
1,3,5,7,15,21,35,61,105,183,305,427,915,1281,2135,6405
Factors of 6412
List of positive integer factors of 6412 that divides 6412 without a remainder.
1,2,4,7,14,28,229,458,916,1603,3206,6412
Greatest Common Factor
We found the factors and prime factorization of 6405 and 6412. The biggest common factor number is the GCF number.
So the greatest common factor 6405 and 6412 is 7.
Also check out the Least Common Multiple of 6405 and 6412
(i) The GCF of 6405 and 6412 is associative
GCF of 6405 and 6412 = GCF of 6412 and 6405
1. What is the GCF of 6405 and 6412?
Answer: GCF of 6405 and 6412 is 7.
2. What are the Factors of 6405?
Answer: Factors of 6405 are 1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405. There are 16 integers that are factors of 6405. The greatest factor of 6405 is 6405.
3. What are the Factors of 6412?
Answer: Factors of 6412 are 1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3206, 6412. There are 12 integers that are factors of 6412. The greatest factor of 6412 is 6412.
4. How to Find the GCF of 6405 and 6412?
Answer:
Greatest Common Factor of 6405 and 6412 = 7
Step 1: Find the prime factorization of 6405
6405 = 3 x 5 x 7 x 61
Step 2: Find the prime factorization of 6412
6412 = 2 x 2 x 7 x 229
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 6405 and 6412 is 7