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 11421, 11428 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 11421 and 11428 is 1.
GCF(11421,11428) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 11421
3 | 11421 |
3 | 3807 |
3 | 1269 |
3 | 423 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 11421 are 3,47. Prime factorization of 11421 in exponential form is:
11421 = 35×471
Prime Factorization of 11428
2 | 11428 |
2 | 5714 |
2857 | 2857 |
1 |
Prime factors of 11428 are 2,2857. Prime factorization of 11428 in exponential form is:
11428 = 22×28571
∴ So by taking common prime factors GCF of 11421 and 11428 is 1
Factors of 11421
List of positive integer factors of 11421 that divides 11421 without a remainder.
1,3,9,27,47,81,141,243,423,1269,3807,11421
Factors of 11428
List of positive integer factors of 11428 that divides 11428 without a remainder.
1,2,4,2857,5714,11428
Greatest Common Factor
We found the factors and prime factorization of 11421 and 11428. The biggest common factor number is the GCF number.
So the greatest common factor 11421 and 11428 is 1.
Also check out the Least Common Multiple of 11421 and 11428
(i) The GCF of 11421 and 11428 is associative
GCF of 11421 and 11428 = GCF of 11428 and 11421
1. What is the GCF of 11421 and 11428?
Answer: GCF of 11421 and 11428 is 1.
2. What are the Factors of 11421?
Answer: Factors of 11421 are 1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 3807, 11421. There are 12 integers that are factors of 11421. The greatest factor of 11421 is 11421.
3. What are the Factors of 11428?
Answer: Factors of 11428 are 1, 2, 4, 2857, 5714, 11428. There are 6 integers that are factors of 11428. The greatest factor of 11428 is 11428.
4. How to Find the GCF of 11421 and 11428?
Answer:
Greatest Common Factor of 11421 and 11428 = 1
Step 1: Find the prime factorization of 11421
11421 = 3 x 3 x 3 x 3 x 3 x 47
Step 2: Find the prime factorization of 11428
11428 = 2 x 2 x 2857
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 11421 and 11428 is 1