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 3912, 3915 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3912 and 3915 is 3.
GCF(3912,3915) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3912
2 | 3912 |
2 | 1956 |
2 | 978 |
3 | 489 |
163 | 163 |
1 |
Prime factors of 3912 are 2,3,163. Prime factorization of 3912 in exponential form is:
3912 = 23×31×1631
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
∴ So by taking common prime factors GCF of 3912 and 3915 is 3
Factors of 3912
List of positive integer factors of 3912 that divides 3912 without a remainder.
1,2,3,4,6,8,12,24,163,326,489,652,978,1304,1956,3912
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
Greatest Common Factor
We found the factors and prime factorization of 3912 and 3915. The biggest common factor number is the GCF number.
So the greatest common factor 3912 and 3915 is 3.
Also check out the Least Common Multiple of 3912 and 3915
(i) The GCF of 3912 and 3915 is associative
GCF of 3912 and 3915 = GCF of 3915 and 3912
1. What is the GCF of 3912 and 3915?
Answer: GCF of 3912 and 3915 is 3.
2. What are the Factors of 3912?
Answer: Factors of 3912 are 1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912. There are 16 integers that are factors of 3912. The greatest factor of 3912 is 3912.
3. 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.
4. How to Find the GCF of 3912 and 3915?
Answer:
Greatest Common Factor of 3912 and 3915 = 3
Step 1: Find the prime factorization of 3912
3912 = 2 x 2 x 2 x 3 x 163
Step 2: Find the prime factorization of 3915
3915 = 3 x 3 x 3 x 5 x 29
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 3912 and 3915 is 3