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 1939, 1947 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1939 and 1947 is 1.
GCF(1939,1947) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1939
7 | 1939 |
277 | 277 |
1 |
Prime factors of 1939 are 7,277. Prime factorization of 1939 in exponential form is:
1939 = 71×2771
Prime Factorization of 1947
3 | 1947 |
11 | 649 |
59 | 59 |
1 |
Prime factors of 1947 are 3,11,59. Prime factorization of 1947 in exponential form is:
1947 = 31×111×591
∴ So by taking common prime factors GCF of 1939 and 1947 is 1
Factors of 1939
List of positive integer factors of 1939 that divides 1939 without a remainder.
1,7,277,1939
Factors of 1947
List of positive integer factors of 1947 that divides 1947 without a remainder.
1,3,11,33,59,177,649,1947
Greatest Common Factor
We found the factors and prime factorization of 1939 and 1947. The biggest common factor number is the GCF number.
So the greatest common factor 1939 and 1947 is 1.
Also check out the Least Common Multiple of 1939 and 1947
(i) The GCF of 1939 and 1947 is associative
GCF of 1939 and 1947 = GCF of 1947 and 1939
1. What is the GCF of 1939 and 1947?
Answer: GCF of 1939 and 1947 is 1.
2. What are the Factors of 1939?
Answer: Factors of 1939 are 1, 7, 277, 1939. There are 4 integers that are factors of 1939. The greatest factor of 1939 is 1939.
3. What are the Factors of 1947?
Answer: Factors of 1947 are 1, 3, 11, 33, 59, 177, 649, 1947. There are 8 integers that are factors of 1947. The greatest factor of 1947 is 1947.
4. How to Find the GCF of 1939 and 1947?
Answer:
Greatest Common Factor of 1939 and 1947 = 1
Step 1: Find the prime factorization of 1939
1939 = 7 x 277
Step 2: Find the prime factorization of 1947
1947 = 3 x 11 x 59
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1939 and 1947 is 1