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 21473, 21479 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 21473 and 21479 is 1.
GCF(21473,21479) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 21473
109 | 21473 |
197 | 197 |
1 |
Prime factors of 21473 are 109,197. Prime factorization of 21473 in exponential form is:
21473 = 1091×1971
Prime Factorization of 21479
47 | 21479 |
457 | 457 |
1 |
Prime factors of 21479 are 47,457. Prime factorization of 21479 in exponential form is:
21479 = 471×4571
∴ So by taking common prime factors GCF of 21473 and 21479 is 1
Factors of 21473
List of positive integer factors of 21473 that divides 21473 without a remainder.
1,109,197,21473
Factors of 21479
List of positive integer factors of 21479 that divides 21479 without a remainder.
1,47,457,21479
Greatest Common Factor
We found the factors and prime factorization of 21473 and 21479. The biggest common factor number is the GCF number.
So the greatest common factor 21473 and 21479 is 1.
Also check out the Least Common Multiple of 21473 and 21479
(i) The GCF of 21473 and 21479 is associative
GCF of 21473 and 21479 = GCF of 21479 and 21473
1. What is the GCF of 21473 and 21479?
Answer: GCF of 21473 and 21479 is 1.
2. What are the Factors of 21473?
Answer: Factors of 21473 are 1, 109, 197, 21473. There are 4 integers that are factors of 21473. The greatest factor of 21473 is 21473.
3. What are the Factors of 21479?
Answer: Factors of 21479 are 1, 47, 457, 21479. There are 4 integers that are factors of 21479. The greatest factor of 21479 is 21479.
4. How to Find the GCF of 21473 and 21479?
Answer:
Greatest Common Factor of 21473 and 21479 = 1
Step 1: Find the prime factorization of 21473
21473 = 109 x 197
Step 2: Find the prime factorization of 21479
21479 = 47 x 457
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 21473 and 21479 is 1