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 1311, 1315 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1311 and 1315 is 1.
GCF(1311,1315) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1311
3 | 1311 |
19 | 437 |
23 | 23 |
1 |
Prime factors of 1311 are 3,19,23. Prime factorization of 1311 in exponential form is:
1311 = 31×191×231
Prime Factorization of 1315
5 | 1315 |
263 | 263 |
1 |
Prime factors of 1315 are 5,263. Prime factorization of 1315 in exponential form is:
1315 = 51×2631
∴ So by taking common prime factors GCF of 1311 and 1315 is 1
Factors of 1311
List of positive integer factors of 1311 that divides 1311 without a remainder.
1,3,19,23,57,69,437,1311
Factors of 1315
List of positive integer factors of 1315 that divides 1315 without a remainder.
1,5,263,1315
Greatest Common Factor
We found the factors and prime factorization of 1311 and 1315. The biggest common factor number is the GCF number.
So the greatest common factor 1311 and 1315 is 1.
Also check out the Least Common Multiple of 1311 and 1315
(i) The GCF of 1311 and 1315 is associative
GCF of 1311 and 1315 = GCF of 1315 and 1311
1. What is the GCF of 1311 and 1315?
Answer: GCF of 1311 and 1315 is 1.
2. What are the Factors of 1311?
Answer: Factors of 1311 are 1, 3, 19, 23, 57, 69, 437, 1311. There are 8 integers that are factors of 1311. The greatest factor of 1311 is 1311.
3. What are the Factors of 1315?
Answer: Factors of 1315 are 1, 5, 263, 1315. There are 4 integers that are factors of 1315. The greatest factor of 1315 is 1315.
4. How to Find the GCF of 1311 and 1315?
Answer:
Greatest Common Factor of 1311 and 1315 = 1
Step 1: Find the prime factorization of 1311
1311 = 3 x 19 x 23
Step 2: Find the prime factorization of 1315
1315 = 5 x 263
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 1311 and 1315 is 1