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 408, 414 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 408 and 414 is 6.
GCF(408,414) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 408
2 | 408 |
2 | 204 |
2 | 102 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 408 are 2,3,17. Prime factorization of 408 in exponential form is:
408 = 23×31×171
Prime Factorization of 414
2 | 414 |
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 414 are 2,3,23. Prime factorization of 414 in exponential form is:
414 = 21×32×231
∴ So by taking common prime factors GCF of 408 and 414 is 6
Factors of 408
List of positive integer factors of 408 that divides 408 without a remainder.
1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408
Factors of 414
List of positive integer factors of 414 that divides 414 without a remainder.
1,2,3,6,9,18,23,46,69,138,207,414
Greatest Common Factor
We found the factors and prime factorization of 408 and 414. The biggest common factor number is the GCF number.
So the greatest common factor 408 and 414 is 6.
Also check out the Least Common Multiple of 408 and 414
(i) The GCF of 408 and 414 is associative
GCF of 408 and 414 = GCF of 414 and 408
1. What is the GCF of 408 and 414?
Answer: GCF of 408 and 414 is 6.
2. What are the Factors of 408?
Answer: Factors of 408 are 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408. There are 16 integers that are factors of 408. The greatest factor of 408 is 408.
3. What are the Factors of 414?
Answer: Factors of 414 are 1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414. There are 12 integers that are factors of 414. The greatest factor of 414 is 414.
4. How to Find the GCF of 408 and 414?
Answer:
Greatest Common Factor of 408 and 414 = 6
Step 1: Find the prime factorization of 408
408 = 2 x 2 x 2 x 3 x 17
Step 2: Find the prime factorization of 414
414 = 2 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 = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 408 and 414 is 6