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 31424, 31428 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 31424 and 31428 is 4.
GCF(31424,31428) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 31424
2 | 31424 |
2 | 15712 |
2 | 7856 |
2 | 3928 |
2 | 1964 |
2 | 982 |
491 | 491 |
1 |
Prime factors of 31424 are 2,491. Prime factorization of 31424 in exponential form is:
31424 = 26×4911
Prime Factorization of 31428
2 | 31428 |
2 | 15714 |
3 | 7857 |
3 | 2619 |
3 | 873 |
3 | 291 |
97 | 97 |
1 |
Prime factors of 31428 are 2,3,97. Prime factorization of 31428 in exponential form is:
31428 = 22×34×971
∴ So by taking common prime factors GCF of 31424 and 31428 is 4
Factors of 31424
List of positive integer factors of 31424 that divides 31424 without a remainder.
1,2,4,8,16,32,64,491,982,1964,3928,7856,15712,31424
Factors of 31428
List of positive integer factors of 31428 that divides 31428 without a remainder.
1,2,3,4,6,9,12,18,27,36,54,81,97,108,162,194,291,324,388,582,873,1164,1746,2619,3492,5238,7857,10476,15714,31428
Greatest Common Factor
We found the factors and prime factorization of 31424 and 31428. The biggest common factor number is the GCF number.
So the greatest common factor 31424 and 31428 is 4.
Also check out the Least Common Multiple of 31424 and 31428
(i) The GCF of 31424 and 31428 is associative
GCF of 31424 and 31428 = GCF of 31428 and 31424
1. What is the GCF of 31424 and 31428?
Answer: GCF of 31424 and 31428 is 4.
2. What are the Factors of 31424?
Answer: Factors of 31424 are 1, 2, 4, 8, 16, 32, 64, 491, 982, 1964, 3928, 7856, 15712, 31424. There are 14 integers that are factors of 31424. The greatest factor of 31424 is 31424.
3. What are the Factors of 31428?
Answer: Factors of 31428 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 291, 324, 388, 582, 873, 1164, 1746, 2619, 3492, 5238, 7857, 10476, 15714, 31428. There are 30 integers that are factors of 31428. The greatest factor of 31428 is 31428.
4. How to Find the GCF of 31424 and 31428?
Answer:
Greatest Common Factor of 31424 and 31428 = 4
Step 1: Find the prime factorization of 31424
31424 = 2 x 2 x 2 x 2 x 2 x 2 x 491
Step 2: Find the prime factorization of 31428
31428 = 2 x 2 x 3 x 3 x 3 x 3 x 97
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 31424 and 31428 is 4