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 9915, 9919 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 9915 and 9919 is 1.
GCF(9915,9919) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 9915
3 | 9915 |
5 | 3305 |
661 | 661 |
1 |
Prime factors of 9915 are 3,5,661. Prime factorization of 9915 in exponential form is:
9915 = 31×51×6611
Prime Factorization of 9919
7 | 9919 |
13 | 1417 |
109 | 109 |
1 |
Prime factors of 9919 are 7,13,109. Prime factorization of 9919 in exponential form is:
9919 = 71×131×1091
∴ So by taking common prime factors GCF of 9915 and 9919 is 1
Factors of 9915
List of positive integer factors of 9915 that divides 9915 without a remainder.
1,3,5,15,661,1983,3305,9915
Factors of 9919
List of positive integer factors of 9919 that divides 9919 without a remainder.
1,7,13,91,109,763,1417,9919
Greatest Common Factor
We found the factors and prime factorization of 9915 and 9919. The biggest common factor number is the GCF number.
So the greatest common factor 9915 and 9919 is 1.
Also check out the Least Common Multiple of 9915 and 9919
(i) The GCF of 9915 and 9919 is associative
GCF of 9915 and 9919 = GCF of 9919 and 9915
1. What is the GCF of 9915 and 9919?
Answer: GCF of 9915 and 9919 is 1.
2. What are the Factors of 9915?
Answer: Factors of 9915 are 1, 3, 5, 15, 661, 1983, 3305, 9915. There are 8 integers that are factors of 9915. The greatest factor of 9915 is 9915.
3. What are the Factors of 9919?
Answer: Factors of 9919 are 1, 7, 13, 91, 109, 763, 1417, 9919. There are 8 integers that are factors of 9919. The greatest factor of 9919 is 9919.
4. How to Find the GCF of 9915 and 9919?
Answer:
Greatest Common Factor of 9915 and 9919 = 1
Step 1: Find the prime factorization of 9915
9915 = 3 x 5 x 661
Step 2: Find the prime factorization of 9919
9919 = 7 x 13 x 109
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 9915 and 9919 is 1