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 1365, 1368 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1365 and 1368 is 3.
GCF(1365,1368) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1365
3 | 1365 |
5 | 455 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 1365 are 3,5,7,13. Prime factorization of 1365 in exponential form is:
1365 = 31×51×71×131
Prime Factorization of 1368
2 | 1368 |
2 | 684 |
2 | 342 |
3 | 171 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 1368 are 2,3,19. Prime factorization of 1368 in exponential form is:
1368 = 23×32×191
∴ So by taking common prime factors GCF of 1365 and 1368 is 3
Factors of 1365
List of positive integer factors of 1365 that divides 1365 without a remainder.
1,3,5,7,13,15,21,35,39,65,91,105,195,273,455,1365
Factors of 1368
List of positive integer factors of 1368 that divides 1368 without a remainder.
1,2,3,4,6,8,9,12,18,19,24,36,38,57,72,76,114,152,171,228,342,456,684,1368
Greatest Common Factor
We found the factors and prime factorization of 1365 and 1368. The biggest common factor number is the GCF number.
So the greatest common factor 1365 and 1368 is 3.
Also check out the Least Common Multiple of 1365 and 1368
(i) The GCF of 1365 and 1368 is associative
GCF of 1365 and 1368 = GCF of 1368 and 1365
1. What is the GCF of 1365 and 1368?
Answer: GCF of 1365 and 1368 is 3.
2. What are the Factors of 1365?
Answer: Factors of 1365 are 1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365. There are 16 integers that are factors of 1365. The greatest factor of 1365 is 1365.
3. What are the Factors of 1368?
Answer: Factors of 1368 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368. There are 24 integers that are factors of 1368. The greatest factor of 1368 is 1368.
4. How to Find the GCF of 1365 and 1368?
Answer:
Greatest Common Factor of 1365 and 1368 = 3
Step 1: Find the prime factorization of 1365
1365 = 3 x 5 x 7 x 13
Step 2: Find the prime factorization of 1368
1368 = 2 x 2 x 2 x 3 x 3 x 19
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1365 and 1368 is 3