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 21461, 21468 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 21461 and 21468 is 1.
GCF(21461,21468) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 21461
11 | 21461 |
1951 | 1951 |
1 |
Prime factors of 21461 are 11,1951. Prime factorization of 21461 in exponential form is:
21461 = 111×19511
Prime Factorization of 21468
2 | 21468 |
2 | 10734 |
3 | 5367 |
1789 | 1789 |
1 |
Prime factors of 21468 are 2,3,1789. Prime factorization of 21468 in exponential form is:
21468 = 22×31×17891
∴ So by taking common prime factors GCF of 21461 and 21468 is 1
Factors of 21461
List of positive integer factors of 21461 that divides 21461 without a remainder.
1,11,1951,21461
Factors of 21468
List of positive integer factors of 21468 that divides 21468 without a remainder.
1,2,3,4,6,12,1789,3578,5367,7156,10734,21468
Greatest Common Factor
We found the factors and prime factorization of 21461 and 21468. The biggest common factor number is the GCF number.
So the greatest common factor 21461 and 21468 is 1.
Also check out the Least Common Multiple of 21461 and 21468
(i) The GCF of 21461 and 21468 is associative
GCF of 21461 and 21468 = GCF of 21468 and 21461
1. What is the GCF of 21461 and 21468?
Answer: GCF of 21461 and 21468 is 1.
2. What are the Factors of 21461?
Answer: Factors of 21461 are 1, 11, 1951, 21461. There are 4 integers that are factors of 21461. The greatest factor of 21461 is 21461.
3. What are the Factors of 21468?
Answer: Factors of 21468 are 1, 2, 3, 4, 6, 12, 1789, 3578, 5367, 7156, 10734, 21468. There are 12 integers that are factors of 21468. The greatest factor of 21468 is 21468.
4. How to Find the GCF of 21461 and 21468?
Answer:
Greatest Common Factor of 21461 and 21468 = 1
Step 1: Find the prime factorization of 21461
21461 = 11 x 1951
Step 2: Find the prime factorization of 21468
21468 = 2 x 2 x 3 x 1789
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 21461 and 21468 is 1