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 2955, 2961 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2955 and 2961 is 3.
GCF(2955,2961) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2955
3 | 2955 |
5 | 985 |
197 | 197 |
1 |
Prime factors of 2955 are 3,5,197. Prime factorization of 2955 in exponential form is:
2955 = 31×51×1971
Prime Factorization of 2961
3 | 2961 |
3 | 987 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 2961 are 3,7,47. Prime factorization of 2961 in exponential form is:
2961 = 32×71×471
∴ So by taking common prime factors GCF of 2955 and 2961 is 3
Factors of 2955
List of positive integer factors of 2955 that divides 2955 without a remainder.
1,3,5,15,197,591,985,2955
Factors of 2961
List of positive integer factors of 2961 that divides 2961 without a remainder.
1,3,7,9,21,47,63,141,329,423,987,2961
Greatest Common Factor
We found the factors and prime factorization of 2955 and 2961. The biggest common factor number is the GCF number.
So the greatest common factor 2955 and 2961 is 3.
Also check out the Least Common Multiple of 2955 and 2961
(i) The GCF of 2955 and 2961 is associative
GCF of 2955 and 2961 = GCF of 2961 and 2955
1. What is the GCF of 2955 and 2961?
Answer: GCF of 2955 and 2961 is 3.
2. What are the Factors of 2955?
Answer: Factors of 2955 are 1, 3, 5, 15, 197, 591, 985, 2955. There are 8 integers that are factors of 2955. The greatest factor of 2955 is 2955.
3. What are the Factors of 2961?
Answer: Factors of 2961 are 1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961. There are 12 integers that are factors of 2961. The greatest factor of 2961 is 2961.
4. How to Find the GCF of 2955 and 2961?
Answer:
Greatest Common Factor of 2955 and 2961 = 3
Step 1: Find the prime factorization of 2955
2955 = 3 x 5 x 197
Step 2: Find the prime factorization of 2961
2961 = 3 x 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 2955 and 2961 is 3