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 990, 995 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 990 and 995 is 5.
GCF(990,995) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 990
2 | 990 |
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 990 are 2,3,5,11. Prime factorization of 990 in exponential form is:
990 = 21×32×51×111
Prime Factorization of 995
5 | 995 |
199 | 199 |
1 |
Prime factors of 995 are 5,199. Prime factorization of 995 in exponential form is:
995 = 51×1991
∴ So by taking common prime factors GCF of 990 and 995 is 5
Factors of 990
List of positive integer factors of 990 that divides 990 without a remainder.
1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990
Factors of 995
List of positive integer factors of 995 that divides 995 without a remainder.
1,5,199,995
Greatest Common Factor
We found the factors and prime factorization of 990 and 995. The biggest common factor number is the GCF number.
So the greatest common factor 990 and 995 is 5.
Also check out the Least Common Multiple of 990 and 995
(i) The GCF of 990 and 995 is associative
GCF of 990 and 995 = GCF of 995 and 990
1. What is the GCF of 990 and 995?
Answer: GCF of 990 and 995 is 5.
2. What are the Factors of 990?
Answer: Factors of 990 are 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990. There are 24 integers that are factors of 990. The greatest factor of 990 is 990.
3. What are the Factors of 995?
Answer: Factors of 995 are 1, 5, 199, 995. There are 4 integers that are factors of 995. The greatest factor of 995 is 995.
4. How to Find the GCF of 990 and 995?
Answer:
Greatest Common Factor of 990 and 995 = 5
Step 1: Find the prime factorization of 990
990 = 2 x 3 x 3 x 5 x 11
Step 2: Find the prime factorization of 995
995 = 5 x 199
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 990 and 995 is 5