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 12421, 12428 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 12421 and 12428 is 1.
GCF(12421,12428) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 12421
12421 | 12421 |
1 |
Prime factors of 12421 are 12421. Prime factorization of 12421 in exponential form is:
12421 = 124211
Prime Factorization of 12428
2 | 12428 |
2 | 6214 |
13 | 3107 |
239 | 239 |
1 |
Prime factors of 12428 are 2.Prime factorization of 12428 in exponential form is:
12428 = 22×131×2391
∴ So by taking common prime factors GCF of 12421 and 12428 is 1
Factors of 12421
List of positive integer factors of 12421 that divides 12421 without a remainder.
1,12421
Factors of 12428
List of positive integer factors of 12428 that divides 12428 without a remainder.
1,2,4,13,26,52,239,478,956,3107,6214,12428
Greatest Common Factor
We found the factors and prime factorization of 12421 and 12428. The biggest common factor number is the GCF number.
So the greatest common factor 12421 and 12428 is 1.
Also check out the Least Common Multiple of 12421 and 12428
(i) The GCF of 12421 and 12428 is associative
GCF of 12421 and 12428 = GCF of 12428 and 12421
1. What is the GCF of 12421 and 12428?
Answer: GCF of 12421 and 12428 is 1.
2. What are the Factors of 12421?
Answer: Factors of 12421 are 1, 12421. There are 2 integers that are factors of 12421. The greatest factor of 12421 is 12421.
3. What are the Factors of 12428?
Answer: Factors of 12428 are 1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428. There are 12 integers that are factors of 12428. The greatest factor of 12428 is 12428.
4. How to Find the GCF of 12421 and 12428?
Answer:
Greatest Common Factor of 12421 and 12428 = 1
Step 1: Find the prime factorization of 12421
12421 = 12421
Step 2: Find the prime factorization of 12428
12428 = 2 x 2 x 13 x 239
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 12421 and 12428 is 1