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 2972, 2978 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2972 and 2978 is 2.
GCF(2972,2978) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2972
2 | 2972 |
2 | 1486 |
743 | 743 |
1 |
Prime factors of 2972 are 2,743. Prime factorization of 2972 in exponential form is:
2972 = 22×7431
Prime Factorization of 2978
2 | 2978 |
1489 | 1489 |
1 |
Prime factors of 2978 are 2,1489. Prime factorization of 2978 in exponential form is:
2978 = 21×14891
∴ So by taking common prime factors GCF of 2972 and 2978 is 2
Factors of 2972
List of positive integer factors of 2972 that divides 2972 without a remainder.
1,2,4,743,1486,2972
Factors of 2978
List of positive integer factors of 2978 that divides 2978 without a remainder.
1,2,1489,2978
Greatest Common Factor
We found the factors and prime factorization of 2972 and 2978. The biggest common factor number is the GCF number.
So the greatest common factor 2972 and 2978 is 2.
Also check out the Least Common Multiple of 2972 and 2978
(i) The GCF of 2972 and 2978 is associative
GCF of 2972 and 2978 = GCF of 2978 and 2972
1. What is the GCF of 2972 and 2978?
Answer: GCF of 2972 and 2978 is 2.
2. What are the Factors of 2972?
Answer: Factors of 2972 are 1, 2, 4, 743, 1486, 2972. There are 6 integers that are factors of 2972. The greatest factor of 2972 is 2972.
3. What are the Factors of 2978?
Answer: Factors of 2978 are 1, 2, 1489, 2978. There are 4 integers that are factors of 2978. The greatest factor of 2978 is 2978.
4. How to Find the GCF of 2972 and 2978?
Answer:
Greatest Common Factor of 2972 and 2978 = 2
Step 1: Find the prime factorization of 2972
2972 = 2 x 2 x 743
Step 2: Find the prime factorization of 2978
2978 = 2 x 1489
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 2972 and 2978 is 2