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 938, 940 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 938 and 940 is 2.
GCF(938,940) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 938
2 | 938 |
7 | 469 |
67 | 67 |
1 |
Prime factors of 938 are 2,7,67. Prime factorization of 938 in exponential form is:
938 = 21×71×671
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
∴ So by taking common prime factors GCF of 938 and 940 is 2
Factors of 938
List of positive integer factors of 938 that divides 938 without a remainder.
1,2,7,14,67,134,469,938
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
Greatest Common Factor
We found the factors and prime factorization of 938 and 940. The biggest common factor number is the GCF number.
So the greatest common factor 938 and 940 is 2.
Also check out the Least Common Multiple of 938 and 940
(i) The GCF of 938 and 940 is associative
GCF of 938 and 940 = GCF of 940 and 938
1. What is the GCF of 938 and 940?
Answer: GCF of 938 and 940 is 2.
2. What are the Factors of 938?
Answer: Factors of 938 are 1, 2, 7, 14, 67, 134, 469, 938. There are 8 integers that are factors of 938. The greatest factor of 938 is 938.
3. 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.
4. How to Find the GCF of 938 and 940?
Answer:
Greatest Common Factor of 938 and 940 = 2
Step 1: Find the prime factorization of 938
938 = 2 x 7 x 67
Step 2: Find the prime factorization of 940
940 = 2 x 2 x 5 x 47
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 938 and 940 is 2