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 2709, 2715 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2709 and 2715 is 3.
GCF(2709,2715) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2709
3 | 2709 |
3 | 903 |
7 | 301 |
43 | 43 |
1 |
Prime factors of 2709 are 3,7,43. Prime factorization of 2709 in exponential form is:
2709 = 32×71×431
Prime Factorization of 2715
3 | 2715 |
5 | 905 |
181 | 181 |
1 |
Prime factors of 2715 are 3,5,181. Prime factorization of 2715 in exponential form is:
2715 = 31×51×1811
∴ So by taking common prime factors GCF of 2709 and 2715 is 3
Factors of 2709
List of positive integer factors of 2709 that divides 2709 without a remainder.
1,3,7,9,21,43,63,129,301,387,903,2709
Factors of 2715
List of positive integer factors of 2715 that divides 2715 without a remainder.
1,3,5,15,181,543,905,2715
Greatest Common Factor
We found the factors and prime factorization of 2709 and 2715. The biggest common factor number is the GCF number.
So the greatest common factor 2709 and 2715 is 3.
Also check out the Least Common Multiple of 2709 and 2715
(i) The GCF of 2709 and 2715 is associative
GCF of 2709 and 2715 = GCF of 2715 and 2709
1. What is the GCF of 2709 and 2715?
Answer: GCF of 2709 and 2715 is 3.
2. What are the Factors of 2709?
Answer: Factors of 2709 are 1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709. There are 12 integers that are factors of 2709. The greatest factor of 2709 is 2709.
3. What are the Factors of 2715?
Answer: Factors of 2715 are 1, 3, 5, 15, 181, 543, 905, 2715. There are 8 integers that are factors of 2715. The greatest factor of 2715 is 2715.
4. How to Find the GCF of 2709 and 2715?
Answer:
Greatest Common Factor of 2709 and 2715 = 3
Step 1: Find the prime factorization of 2709
2709 = 3 x 3 x 7 x 43
Step 2: Find the prime factorization of 2715
2715 = 3 x 5 x 181
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 2709 and 2715 is 3