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 1278, 1279 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1278 and 1279 is 1.
GCF(1278,1279) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1278
2 | 1278 |
3 | 639 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 1278 are 2,3,71. Prime factorization of 1278 in exponential form is:
1278 = 21×32×711
Prime Factorization of 1279
1279 | 1279 |
1 |
Prime factors of 1279 are 1279. Prime factorization of 1279 in exponential form is:
1279 = 12791
∴ So by taking common prime factors GCF of 1278 and 1279 is 1
Factors of 1278
List of positive integer factors of 1278 that divides 1278 without a remainder.
1,2,3,6,9,18,71,142,213,426,639,1278
Factors of 1279
List of positive integer factors of 1279 that divides 1279 without a remainder.
1,1279
Greatest Common Factor
We found the factors and prime factorization of 1278 and 1279. The biggest common factor number is the GCF number.
So the greatest common factor 1278 and 1279 is 1.
Also check out the Least Common Multiple of 1278 and 1279
(i) The GCF of 1278 and 1279 is associative
GCF of 1278 and 1279 = GCF of 1279 and 1278
1. What is the GCF of 1278 and 1279?
Answer: GCF of 1278 and 1279 is 1.
2. What are the Factors of 1278?
Answer: Factors of 1278 are 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278. There are 12 integers that are factors of 1278. The greatest factor of 1278 is 1278.
3. What are the Factors of 1279?
Answer: Factors of 1279 are 1, 1279. There are 2 integers that are factors of 1279. The greatest factor of 1279 is 1279.
4. How to Find the GCF of 1278 and 1279?
Answer:
Greatest Common Factor of 1278 and 1279 = 1
Step 1: Find the prime factorization of 1278
1278 = 2 x 3 x 3 x 71
Step 2: Find the prime factorization of 1279
1279 = 1279
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 1278 and 1279 is 1