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 986, 989 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 986 and 989 is 1.
GCF(986,989) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 989
23 | 989 |
43 | 43 |
1 |
Prime factors of 989 are 23,43. Prime factorization of 989 in exponential form is:
989 = 231×431
∴ So by taking common prime factors GCF of 986 and 989 is 1
Factors of 986
List of positive integer factors of 986 that divides 986 without a remainder.
1,2,17,29,34,58,493,986
Factors of 989
List of positive integer factors of 989 that divides 989 without a remainder.
1,23,43,989
Greatest Common Factor
We found the factors and prime factorization of 986 and 989. The biggest common factor number is the GCF number.
So the greatest common factor 986 and 989 is 1.
Also check out the Least Common Multiple of 986 and 989
(i) The GCF of 986 and 989 is associative
GCF of 986 and 989 = GCF of 989 and 986
1. What is the GCF of 986 and 989?
Answer: GCF of 986 and 989 is 1.
2. 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.
3. What are the Factors of 989?
Answer: Factors of 989 are 1, 23, 43, 989. There are 4 integers that are factors of 989. The greatest factor of 989 is 989.
4. How to Find the GCF of 986 and 989?
Answer:
Greatest Common Factor of 986 and 989 = 1
Step 1: Find the prime factorization of 986
986 = 2 x 17 x 29
Step 2: Find the prime factorization of 989
989 = 23 x 43
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 986 and 989 is 1