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 422, 424 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 422 and 424 is 2.
GCF(422,424) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 422
2 | 422 |
211 | 211 |
1 |
Prime factors of 422 are 2,211. Prime factorization of 422 in exponential form is:
422 = 21×2111
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
∴ So by taking common prime factors GCF of 422 and 424 is 2
Factors of 422
List of positive integer factors of 422 that divides 422 without a remainder.
1,2,211,422
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1,2,4,8,53,106,212,424
Greatest Common Factor
We found the factors and prime factorization of 422 and 424. The biggest common factor number is the GCF number.
So the greatest common factor 422 and 424 is 2.
Also check out the Least Common Multiple of 422 and 424
(i) The GCF of 422 and 424 is associative
GCF of 422 and 424 = GCF of 424 and 422
1. What is the GCF of 422 and 424?
Answer: GCF of 422 and 424 is 2.
2. What are the Factors of 422?
Answer: Factors of 422 are 1, 2, 211, 422. There are 4 integers that are factors of 422. The greatest factor of 422 is 422.
3. 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.
4. How to Find the GCF of 422 and 424?
Answer:
Greatest Common Factor of 422 and 424 = 2
Step 1: Find the prime factorization of 422
422 = 2 x 211
Step 2: Find the prime factorization of 424
424 = 2 x 2 x 2 x 53
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 422 and 424 is 2