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 1372, 1378 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1372 and 1378 is 2.
GCF(1372,1378) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1372
2 | 1372 |
2 | 686 |
7 | 343 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1372 are 2,7. Prime factorization of 1372 in exponential form is:
1372 = 22×73
Prime Factorization of 1378
2 | 1378 |
13 | 689 |
53 | 53 |
1 |
Prime factors of 1378 are 2,13,53. Prime factorization of 1378 in exponential form is:
1378 = 21×131×531
∴ So by taking common prime factors GCF of 1372 and 1378 is 2
Factors of 1372
List of positive integer factors of 1372 that divides 1372 without a remainder.
1,2,4,7,14,28,49,98,196,343,686,1372
Factors of 1378
List of positive integer factors of 1378 that divides 1378 without a remainder.
1,2,13,26,53,106,689,1378
Greatest Common Factor
We found the factors and prime factorization of 1372 and 1378. The biggest common factor number is the GCF number.
So the greatest common factor 1372 and 1378 is 2.
Also check out the Least Common Multiple of 1372 and 1378
(i) The GCF of 1372 and 1378 is associative
GCF of 1372 and 1378 = GCF of 1378 and 1372
1. What is the GCF of 1372 and 1378?
Answer: GCF of 1372 and 1378 is 2.
2. What are the Factors of 1372?
Answer: Factors of 1372 are 1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372. There are 12 integers that are factors of 1372. The greatest factor of 1372 is 1372.
3. What are the Factors of 1378?
Answer: Factors of 1378 are 1, 2, 13, 26, 53, 106, 689, 1378. There are 8 integers that are factors of 1378. The greatest factor of 1378 is 1378.
4. How to Find the GCF of 1372 and 1378?
Answer:
Greatest Common Factor of 1372 and 1378 = 2
Step 1: Find the prime factorization of 1372
1372 = 2 x 2 x 7 x 7 x 7
Step 2: Find the prime factorization of 1378
1378 = 2 x 13 x 53
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 1372 and 1378 is 2