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 424, 425 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 424 and 425 is 1.
GCF(424,425) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 424
2 | 424 |
2 | 212 |
2 | 106 |
53 | 53 |
1 |
Prime factors of 424 are 2,53. Prime factorization of 424 in exponential form is:
424 = 23×531
Prime Factorization of 425
5 | 425 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 425 are 5,17. Prime factorization of 425 in exponential form is:
425 = 52×171
∴ So by taking common prime factors GCF of 424 and 425 is 1
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1,2,4,8,53,106,212,424
Factors of 425
List of positive integer factors of 425 that divides 425 without a remainder.
1,5,17,25,85,425
Greatest Common Factor
We found the factors and prime factorization of 424 and 425. The biggest common factor number is the GCF number.
So the greatest common factor 424 and 425 is 1.
Also check out the Least Common Multiple of 424 and 425
(i) The GCF of 424 and 425 is associative
GCF of 424 and 425 = GCF of 425 and 424
1. What is the GCF of 424 and 425?
Answer: GCF of 424 and 425 is 1.
2. What are the Factors of 424?
Answer: Factors of 424 are 1, 2, 4, 8, 53, 106, 212, 424. There are 8 integers that are factors of 424. The greatest factor of 424 is 424.
3. What are the Factors of 425?
Answer: Factors of 425 are 1, 5, 17, 25, 85, 425. There are 6 integers that are factors of 425. The greatest factor of 425 is 425.
4. How to Find the GCF of 424 and 425?
Answer:
Greatest Common Factor of 424 and 425 = 1
Step 1: Find the prime factorization of 424
424 = 2 x 2 x 2 x 53
Step 2: Find the prime factorization of 425
425 = 5 x 5 x 17
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 424 and 425 is 1