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 984, 987 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 984 and 987 is 3.
GCF(984,987) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 984
2 | 984 |
2 | 492 |
2 | 246 |
3 | 123 |
41 | 41 |
1 |
Prime factors of 984 are 2,3,41. Prime factorization of 984 in exponential form is:
984 = 23×31×411
Prime Factorization of 987
3 | 987 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 987 are 3,7,47. Prime factorization of 987 in exponential form is:
987 = 31×71×471
∴ So by taking common prime factors GCF of 984 and 987 is 3
Factors of 984
List of positive integer factors of 984 that divides 984 without a remainder.
1,2,3,4,6,8,12,24,41,82,123,164,246,328,492,984
Factors of 987
List of positive integer factors of 987 that divides 987 without a remainder.
1,3,7,21,47,141,329,987
Greatest Common Factor
We found the factors and prime factorization of 984 and 987. The biggest common factor number is the GCF number.
So the greatest common factor 984 and 987 is 3.
Also check out the Least Common Multiple of 984 and 987
(i) The GCF of 984 and 987 is associative
GCF of 984 and 987 = GCF of 987 and 984
1. What is the GCF of 984 and 987?
Answer: GCF of 984 and 987 is 3.
2. What are the Factors of 984?
Answer: Factors of 984 are 1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984. There are 16 integers that are factors of 984. The greatest factor of 984 is 984.
3. What are the Factors of 987?
Answer: Factors of 987 are 1, 3, 7, 21, 47, 141, 329, 987. There are 8 integers that are factors of 987. The greatest factor of 987 is 987.
4. How to Find the GCF of 984 and 987?
Answer:
Greatest Common Factor of 984 and 987 = 3
Step 1: Find the prime factorization of 984
984 = 2 x 2 x 2 x 3 x 41
Step 2: Find the prime factorization of 987
987 = 3 x 7 x 47
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 984 and 987 is 3