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 940, 942 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 940 and 942 is 2.
GCF(940,942) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 940
2 | 940 |
2 | 470 |
5 | 235 |
47 | 47 |
1 |
Prime factors of 940 are 2,5,47. Prime factorization of 940 in exponential form is:
940 = 22×51×471
Prime Factorization of 942
2 | 942 |
3 | 471 |
157 | 157 |
1 |
Prime factors of 942 are 2,3,157. Prime factorization of 942 in exponential form is:
942 = 21×31×1571
∴ So by taking common prime factors GCF of 940 and 942 is 2
Factors of 940
List of positive integer factors of 940 that divides 940 without a remainder.
1,2,4,5,10,20,47,94,188,235,470,940
Factors of 942
List of positive integer factors of 942 that divides 942 without a remainder.
1,2,3,6,157,314,471,942
Greatest Common Factor
We found the factors and prime factorization of 940 and 942. The biggest common factor number is the GCF number.
So the greatest common factor 940 and 942 is 2.
Also check out the Least Common Multiple of 940 and 942
(i) The GCF of 940 and 942 is associative
GCF of 940 and 942 = GCF of 942 and 940
1. What is the GCF of 940 and 942?
Answer: GCF of 940 and 942 is 2.
2. What are the Factors of 940?
Answer: Factors of 940 are 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940. There are 12 integers that are factors of 940. The greatest factor of 940 is 940.
3. What are the Factors of 942?
Answer: Factors of 942 are 1, 2, 3, 6, 157, 314, 471, 942. There are 8 integers that are factors of 942. The greatest factor of 942 is 942.
4. How to Find the GCF of 940 and 942?
Answer:
Greatest Common Factor of 940 and 942 = 2
Step 1: Find the prime factorization of 940
940 = 2 x 2 x 5 x 47
Step 2: Find the prime factorization of 942
942 = 2 x 3 x 157
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 940 and 942 is 2