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 2940, 2947 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2940 and 2947 is 7.
GCF(2940,2947) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2940
2 | 2940 |
2 | 1470 |
3 | 735 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 2940 are 2,3,5,7. Prime factorization of 2940 in exponential form is:
2940 = 22×31×51×72
Prime Factorization of 2947
7 | 2947 |
421 | 421 |
1 |
Prime factors of 2947 are 7,421. Prime factorization of 2947 in exponential form is:
2947 = 71×4211
∴ So by taking common prime factors GCF of 2940 and 2947 is 7
Factors of 2940
List of positive integer factors of 2940 that divides 2940 without a remainder.
1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,49,60,70,84,98,105,140,147,196,210,245,294,420,490,588,735,980,1470,2940
Factors of 2947
List of positive integer factors of 2947 that divides 2947 without a remainder.
1,7,421,2947
Greatest Common Factor
We found the factors and prime factorization of 2940 and 2947. The biggest common factor number is the GCF number.
So the greatest common factor 2940 and 2947 is 7.
Also check out the Least Common Multiple of 2940 and 2947
(i) The GCF of 2940 and 2947 is associative
GCF of 2940 and 2947 = GCF of 2947 and 2940
1. What is the GCF of 2940 and 2947?
Answer: GCF of 2940 and 2947 is 7.
2. What are the Factors of 2940?
Answer: Factors of 2940 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940. There are 36 integers that are factors of 2940. The greatest factor of 2940 is 2940.
3. What are the Factors of 2947?
Answer: Factors of 2947 are 1, 7, 421, 2947. There are 4 integers that are factors of 2947. The greatest factor of 2947 is 2947.
4. How to Find the GCF of 2940 and 2947?
Answer:
Greatest Common Factor of 2940 and 2947 = 7
Step 1: Find the prime factorization of 2940
2940 = 2 x 2 x 3 x 5 x 7 x 7
Step 2: Find the prime factorization of 2947
2947 = 7 x 421
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 2940 and 2947 is 7