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 980, 986 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 980 and 986 is 2.
GCF(980,986) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 980
2 | 980 |
2 | 490 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 980 are 2,5,7. Prime factorization of 980 in exponential form is:
980 = 22×51×72
Prime Factorization of 986
2 | 986 |
17 | 493 |
29 | 29 |
1 |
Prime factors of 986 are 2,17,29. Prime factorization of 986 in exponential form is:
986 = 21×171×291
∴ So by taking common prime factors GCF of 980 and 986 is 2
Factors of 980
List of positive integer factors of 980 that divides 980 without a remainder.
1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980
Factors of 986
List of positive integer factors of 986 that divides 986 without a remainder.
1,2,17,29,34,58,493,986
Greatest Common Factor
We found the factors and prime factorization of 980 and 986. The biggest common factor number is the GCF number.
So the greatest common factor 980 and 986 is 2.
Also check out the Least Common Multiple of 980 and 986
(i) The GCF of 980 and 986 is associative
GCF of 980 and 986 = GCF of 986 and 980
1. What is the GCF of 980 and 986?
Answer: GCF of 980 and 986 is 2.
2. What are the Factors of 980?
Answer: Factors of 980 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980. There are 18 integers that are factors of 980. The greatest factor of 980 is 980.
3. What are the Factors of 986?
Answer: Factors of 986 are 1, 2, 17, 29, 34, 58, 493, 986. There are 8 integers that are factors of 986. The greatest factor of 986 is 986.
4. How to Find the GCF of 980 and 986?
Answer:
Greatest Common Factor of 980 and 986 = 2
Step 1: Find the prime factorization of 980
980 = 2 x 2 x 5 x 7 x 7
Step 2: Find the prime factorization of 986
986 = 2 x 17 x 29
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 980 and 986 is 2