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 6420, 6426 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6420 and 6426 is 6.
GCF(6420,6426) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 6420
2 | 6420 |
2 | 3210 |
3 | 1605 |
5 | 535 |
107 | 107 |
1 |
Prime factors of 6420 are 2,3,5,107. Prime factorization of 6420 in exponential form is:
6420 = 22×31×51×1071
Prime Factorization of 6426
2 | 6426 |
3 | 3213 |
3 | 1071 |
3 | 357 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 6426 are 2,3,7,17. Prime factorization of 6426 in exponential form is:
6426 = 21×33×71×171
∴ So by taking common prime factors GCF of 6420 and 6426 is 6
Factors of 6420
List of positive integer factors of 6420 that divides 6420 without a remainder.
1,2,3,4,5,6,10,12,15,20,30,60,107,214,321,428,535,642,1070,1284,1605,2140,3210,6420
Factors of 6426
List of positive integer factors of 6426 that divides 6426 without a remainder.
1,2,3,6,7,9,14,17,18,21,27,34,42,51,54,63,102,119,126,153,189,238,306,357,378,459,714,918,1071,2142,3213,6426
Greatest Common Factor
We found the factors and prime factorization of 6420 and 6426. The biggest common factor number is the GCF number.
So the greatest common factor 6420 and 6426 is 6.
Also check out the Least Common Multiple of 6420 and 6426
(i) The GCF of 6420 and 6426 is associative
GCF of 6420 and 6426 = GCF of 6426 and 6420
1. What is the GCF of 6420 and 6426?
Answer: GCF of 6420 and 6426 is 6.
2. What are the Factors of 6420?
Answer: Factors of 6420 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420. There are 24 integers that are factors of 6420. The greatest factor of 6420 is 6420.
3. What are the Factors of 6426?
Answer: Factors of 6426 are 1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426. There are 32 integers that are factors of 6426. The greatest factor of 6426 is 6426.
4. How to Find the GCF of 6420 and 6426?
Answer:
Greatest Common Factor of 6420 and 6426 = 6
Step 1: Find the prime factorization of 6420
6420 = 2 x 2 x 3 x 5 x 107
Step 2: Find the prime factorization of 6426
6426 = 2 x 3 x 3 x 3 x 7 x 17
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 6420 and 6426 is 6