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 3915, 3918 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3915 and 3918 is 3.
GCF(3915,3918) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3915
3 | 3915 |
3 | 1305 |
3 | 435 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 3915 are 3,5,29. Prime factorization of 3915 in exponential form is:
3915 = 33×51×291
Prime Factorization of 3918
2 | 3918 |
3 | 1959 |
653 | 653 |
1 |
Prime factors of 3918 are 2,3,653. Prime factorization of 3918 in exponential form is:
3918 = 21×31×6531
∴ So by taking common prime factors GCF of 3915 and 3918 is 3
Factors of 3915
List of positive integer factors of 3915 that divides 3915 without a remainder.
1,3,5,9,15,27,29,45,87,135,145,261,435,783,1305,3915
Factors of 3918
List of positive integer factors of 3918 that divides 3918 without a remainder.
1,2,3,6,653,1306,1959,3918
Greatest Common Factor
We found the factors and prime factorization of 3915 and 3918. The biggest common factor number is the GCF number.
So the greatest common factor 3915 and 3918 is 3.
Also check out the Least Common Multiple of 3915 and 3918
(i) The GCF of 3915 and 3918 is associative
GCF of 3915 and 3918 = GCF of 3918 and 3915
1. What is the GCF of 3915 and 3918?
Answer: GCF of 3915 and 3918 is 3.
2. What are the Factors of 3915?
Answer: Factors of 3915 are 1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915. There are 16 integers that are factors of 3915. The greatest factor of 3915 is 3915.
3. What are the Factors of 3918?
Answer: Factors of 3918 are 1, 2, 3, 6, 653, 1306, 1959, 3918. There are 8 integers that are factors of 3918. The greatest factor of 3918 is 3918.
4. How to Find the GCF of 3915 and 3918?
Answer:
Greatest Common Factor of 3915 and 3918 = 3
Step 1: Find the prime factorization of 3915
3915 = 3 x 3 x 3 x 5 x 29
Step 2: Find the prime factorization of 3918
3918 = 2 x 3 x 653
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 3915 and 3918 is 3