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 2986, 2990 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2986 and 2990 is 2.
GCF(2986,2990) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2986
2 | 2986 |
1493 | 1493 |
1 |
Prime factors of 2986 are 2,1493. Prime factorization of 2986 in exponential form is:
2986 = 21×14931
Prime Factorization of 2990
2 | 2990 |
5 | 1495 |
13 | 299 |
23 | 23 |
1 |
Prime factors of 2990 are 2,5,13,23. Prime factorization of 2990 in exponential form is:
2990 = 21×51×131×231
∴ So by taking common prime factors GCF of 2986 and 2990 is 2
Factors of 2986
List of positive integer factors of 2986 that divides 2986 without a remainder.
1,2,1493,2986
Factors of 2990
List of positive integer factors of 2990 that divides 2990 without a remainder.
1,2,5,10,13,23,26,46,65,115,130,230,299,598,1495,2990
Greatest Common Factor
We found the factors and prime factorization of 2986 and 2990. The biggest common factor number is the GCF number.
So the greatest common factor 2986 and 2990 is 2.
Also check out the Least Common Multiple of 2986 and 2990
(i) The GCF of 2986 and 2990 is associative
GCF of 2986 and 2990 = GCF of 2990 and 2986
1. What is the GCF of 2986 and 2990?
Answer: GCF of 2986 and 2990 is 2.
2. What are the Factors of 2986?
Answer: Factors of 2986 are 1, 2, 1493, 2986. There are 4 integers that are factors of 2986. The greatest factor of 2986 is 2986.
3. What are the Factors of 2990?
Answer: Factors of 2990 are 1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990. There are 16 integers that are factors of 2990. The greatest factor of 2990 is 2990.
4. How to Find the GCF of 2986 and 2990?
Answer:
Greatest Common Factor of 2986 and 2990 = 2
Step 1: Find the prime factorization of 2986
2986 = 2 x 1493
Step 2: Find the prime factorization of 2990
2990 = 2 x 5 x 13 x 23
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 2986 and 2990 is 2