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 9685, 9690 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 9685 and 9690 is 5.
GCF(9685,9690) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 9685
5 | 9685 |
13 | 1937 |
149 | 149 |
1 |
Prime factors of 9685 are 5,13,149. Prime factorization of 9685 in exponential form is:
9685 = 51×131×1491
Prime Factorization of 9690
2 | 9690 |
3 | 4845 |
5 | 1615 |
17 | 323 |
19 | 19 |
1 |
Prime factors of 9690 are 2,3,5,17,19. Prime factorization of 9690 in exponential form is:
9690 = 21×31×51×171×191
∴ So by taking common prime factors GCF of 9685 and 9690 is 5
Factors of 9685
List of positive integer factors of 9685 that divides 9685 without a remainder.
1,5,13,65,149,745,1937,9685
Factors of 9690
List of positive integer factors of 9690 that divides 9690 without a remainder.
1,2,3,5,6,10,15,17,19,30,34,38,51,57,85,95,102,114,170,190,255,285,323,510,570,646,969,1615,1938,3230,4845,9690
Greatest Common Factor
We found the factors and prime factorization of 9685 and 9690. The biggest common factor number is the GCF number.
So the greatest common factor 9685 and 9690 is 5.
Also check out the Least Common Multiple of 9685 and 9690
(i) The GCF of 9685 and 9690 is associative
GCF of 9685 and 9690 = GCF of 9690 and 9685
1. What is the GCF of 9685 and 9690?
Answer: GCF of 9685 and 9690 is 5.
2. What are the Factors of 9685?
Answer: Factors of 9685 are 1, 5, 13, 65, 149, 745, 1937, 9685. There are 8 integers that are factors of 9685. The greatest factor of 9685 is 9685.
3. What are the Factors of 9690?
Answer: Factors of 9690 are 1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 3230, 4845, 9690. There are 32 integers that are factors of 9690. The greatest factor of 9690 is 9690.
4. How to Find the GCF of 9685 and 9690?
Answer:
Greatest Common Factor of 9685 and 9690 = 5
Step 1: Find the prime factorization of 9685
9685 = 5 x 13 x 149
Step 2: Find the prime factorization of 9690
9690 = 2 x 3 x 5 x 17 x 19
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 9685 and 9690 is 5