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 1917, 1925 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1917 and 1925 is 1.
GCF(1917,1925) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1917
3 | 1917 |
3 | 639 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 1917 are 3,71. Prime factorization of 1917 in exponential form is:
1917 = 33×711
Prime Factorization of 1925
5 | 1925 |
5 | 385 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 1925 are 5,7,11. Prime factorization of 1925 in exponential form is:
1925 = 52×71×111
∴ So by taking common prime factors GCF of 1917 and 1925 is 1
Factors of 1917
List of positive integer factors of 1917 that divides 1917 without a remainder.
1,3,9,27,71,213,639,1917
Factors of 1925
List of positive integer factors of 1925 that divides 1925 without a remainder.
1,5,7,11,25,35,55,77,175,275,385,1925
Greatest Common Factor
We found the factors and prime factorization of 1917 and 1925. The biggest common factor number is the GCF number.
So the greatest common factor 1917 and 1925 is 1.
Also check out the Least Common Multiple of 1917 and 1925
(i) The GCF of 1917 and 1925 is associative
GCF of 1917 and 1925 = GCF of 1925 and 1917
1. What is the GCF of 1917 and 1925?
Answer: GCF of 1917 and 1925 is 1.
2. What are the Factors of 1917?
Answer: Factors of 1917 are 1, 3, 9, 27, 71, 213, 639, 1917. There are 8 integers that are factors of 1917. The greatest factor of 1917 is 1917.
3. What are the Factors of 1925?
Answer: Factors of 1925 are 1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925. There are 12 integers that are factors of 1925. The greatest factor of 1925 is 1925.
4. How to Find the GCF of 1917 and 1925?
Answer:
Greatest Common Factor of 1917 and 1925 = 1
Step 1: Find the prime factorization of 1917
1917 = 3 x 3 x 3 x 71
Step 2: Find the prime factorization of 1925
1925 = 5 x 5 x 7 x 11
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 1917 and 1925 is 1