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 1938, 1944 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1938 and 1944 is 6.
GCF(1938,1944) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1938
2 | 1938 |
3 | 969 |
17 | 323 |
19 | 19 |
1 |
Prime factors of 1938 are 2,3,17,19. Prime factorization of 1938 in exponential form is:
1938 = 21×31×171×191
Prime Factorization of 1944
2 | 1944 |
2 | 972 |
2 | 486 |
3 | 243 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 1944 are 2,3. Prime factorization of 1944 in exponential form is:
1944 = 23×35
∴ So by taking common prime factors GCF of 1938 and 1944 is 6
Factors of 1938
List of positive integer factors of 1938 that divides 1938 without a remainder.
1,2,3,6,17,19,34,38,51,57,102,114,323,646,969,1938
Factors of 1944
List of positive integer factors of 1944 that divides 1944 without a remainder.
1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,243,324,486,648,972,1944
Greatest Common Factor
We found the factors and prime factorization of 1938 and 1944. The biggest common factor number is the GCF number.
So the greatest common factor 1938 and 1944 is 6.
Also check out the Least Common Multiple of 1938 and 1944
(i) The GCF of 1938 and 1944 is associative
GCF of 1938 and 1944 = GCF of 1944 and 1938
1. What is the GCF of 1938 and 1944?
Answer: GCF of 1938 and 1944 is 6.
2. What are the Factors of 1938?
Answer: Factors of 1938 are 1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938. There are 16 integers that are factors of 1938. The greatest factor of 1938 is 1938.
3. What are the Factors of 1944?
Answer: Factors of 1944 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944. There are 24 integers that are factors of 1944. The greatest factor of 1944 is 1944.
4. How to Find the GCF of 1938 and 1944?
Answer:
Greatest Common Factor of 1938 and 1944 = 6
Step 1: Find the prime factorization of 1938
1938 = 2 x 3 x 17 x 19
Step 2: Find the prime factorization of 1944
1944 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 1938 and 1944 is 6