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 21475, 21481 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 21475 and 21481 is 1.
GCF(21475,21481) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 21475
5 | 21475 |
5 | 4295 |
859 | 859 |
1 |
Prime factors of 21475 are 5,859. Prime factorization of 21475 in exponential form is:
21475 = 52×8591
Prime Factorization of 21481
21481 | 21481 |
1 |
Prime factors of 21481 are 21481. Prime factorization of 21481 in exponential form is:
21481 = 214811
∴ So by taking common prime factors GCF of 21475 and 21481 is 1
Factors of 21475
List of positive integer factors of 21475 that divides 21475 without a remainder.
1,5,25,859,4295,21475
Factors of 21481
List of positive integer factors of 21481 that divides 21481 without a remainder.
1,21481
Greatest Common Factor
We found the factors and prime factorization of 21475 and 21481. The biggest common factor number is the GCF number.
So the greatest common factor 21475 and 21481 is 1.
Also check out the Least Common Multiple of 21475 and 21481
(i) The GCF of 21475 and 21481 is associative
GCF of 21475 and 21481 = GCF of 21481 and 21475
1. What is the GCF of 21475 and 21481?
Answer: GCF of 21475 and 21481 is 1.
2. What are the Factors of 21475?
Answer: Factors of 21475 are 1, 5, 25, 859, 4295, 21475. There are 6 integers that are factors of 21475. The greatest factor of 21475 is 21475.
3. What are the Factors of 21481?
Answer: Factors of 21481 are 1, 21481. There are 2 integers that are factors of 21481. The greatest factor of 21481 is 21481.
4. How to Find the GCF of 21475 and 21481?
Answer:
Greatest Common Factor of 21475 and 21481 = 1
Step 1: Find the prime factorization of 21475
21475 = 5 x 5 x 859
Step 2: Find the prime factorization of 21481
21481 = 21481
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 21475 and 21481 is 1