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 1317, 1321 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1317 and 1321 is 1.
GCF(1317,1321) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1317
3 | 1317 |
439 | 439 |
1 |
Prime factors of 1317 are 3,439. Prime factorization of 1317 in exponential form is:
1317 = 31×4391
Prime Factorization of 1321
1321 | 1321 |
1 |
Prime factors of 1321 are 1321. Prime factorization of 1321 in exponential form is:
1321 = 13211
∴ So by taking common prime factors GCF of 1317 and 1321 is 1
Factors of 1317
List of positive integer factors of 1317 that divides 1317 without a remainder.
1,3,439,1317
Factors of 1321
List of positive integer factors of 1321 that divides 1321 without a remainder.
1,1321
Greatest Common Factor
We found the factors and prime factorization of 1317 and 1321. The biggest common factor number is the GCF number.
So the greatest common factor 1317 and 1321 is 1.
Also check out the Least Common Multiple of 1317 and 1321
(i) The GCF of 1317 and 1321 is associative
GCF of 1317 and 1321 = GCF of 1321 and 1317
1. What is the GCF of 1317 and 1321?
Answer: GCF of 1317 and 1321 is 1.
2. What are the Factors of 1317?
Answer: Factors of 1317 are 1, 3, 439, 1317. There are 4 integers that are factors of 1317. The greatest factor of 1317 is 1317.
3. What are the Factors of 1321?
Answer: Factors of 1321 are 1, 1321. There are 2 integers that are factors of 1321. The greatest factor of 1321 is 1321.
4. How to Find the GCF of 1317 and 1321?
Answer:
Greatest Common Factor of 1317 and 1321 = 1
Step 1: Find the prime factorization of 1317
1317 = 3 x 439
Step 2: Find the prime factorization of 1321
1321 = 1321
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 1317 and 1321 is 1