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 974, 978 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 974 and 978 is 2.
GCF(974,978) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 974
2 | 974 |
487 | 487 |
1 |
Prime factors of 974 are 2,487. Prime factorization of 974 in exponential form is:
974 = 21×4871
Prime Factorization of 978
2 | 978 |
3 | 489 |
163 | 163 |
1 |
Prime factors of 978 are 2,3,163. Prime factorization of 978 in exponential form is:
978 = 21×31×1631
∴ So by taking common prime factors GCF of 974 and 978 is 2
Factors of 974
List of positive integer factors of 974 that divides 974 without a remainder.
1,2,487,974
Factors of 978
List of positive integer factors of 978 that divides 978 without a remainder.
1,2,3,6,163,326,489,978
Greatest Common Factor
We found the factors and prime factorization of 974 and 978. The biggest common factor number is the GCF number.
So the greatest common factor 974 and 978 is 2.
Also check out the Least Common Multiple of 974 and 978
(i) The GCF of 974 and 978 is associative
GCF of 974 and 978 = GCF of 978 and 974
1. What is the GCF of 974 and 978?
Answer: GCF of 974 and 978 is 2.
2. What are the Factors of 974?
Answer: Factors of 974 are 1, 2, 487, 974. There are 4 integers that are factors of 974. The greatest factor of 974 is 974.
3. What are the Factors of 978?
Answer: Factors of 978 are 1, 2, 3, 6, 163, 326, 489, 978. There are 8 integers that are factors of 978. The greatest factor of 978 is 978.
4. How to Find the GCF of 974 and 978?
Answer:
Greatest Common Factor of 974 and 978 = 2
Step 1: Find the prime factorization of 974
974 = 2 x 487
Step 2: Find the prime factorization of 978
978 = 2 x 3 x 163
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 974 and 978 is 2