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 7210, 7215 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7210 and 7215 is 5.
GCF(7210,7215) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7210
2 | 7210 |
5 | 3605 |
7 | 721 |
103 | 103 |
1 |
Prime factors of 7210 are 2,5,7,103. Prime factorization of 7210 in exponential form is:
7210 = 21×51×71×1031
Prime Factorization of 7215
3 | 7215 |
5 | 2405 |
13 | 481 |
37 | 37 |
1 |
Prime factors of 7215 are 3,5,13,37. Prime factorization of 7215 in exponential form is:
7215 = 31×51×131×371
∴ So by taking common prime factors GCF of 7210 and 7215 is 5
Factors of 7210
List of positive integer factors of 7210 that divides 7210 without a remainder.
1,2,5,7,10,14,35,70,103,206,515,721,1030,1442,3605,7210
Factors of 7215
List of positive integer factors of 7215 that divides 7215 without a remainder.
1,3,5,13,15,37,39,65,111,185,195,481,555,1443,2405,7215
Greatest Common Factor
We found the factors and prime factorization of 7210 and 7215. The biggest common factor number is the GCF number.
So the greatest common factor 7210 and 7215 is 5.
Also check out the Least Common Multiple of 7210 and 7215
(i) The GCF of 7210 and 7215 is associative
GCF of 7210 and 7215 = GCF of 7215 and 7210
1. What is the GCF of 7210 and 7215?
Answer: GCF of 7210 and 7215 is 5.
2. What are the Factors of 7210?
Answer: Factors of 7210 are 1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210. There are 16 integers that are factors of 7210. The greatest factor of 7210 is 7210.
3. What are the Factors of 7215?
Answer: Factors of 7215 are 1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215. There are 16 integers that are factors of 7215. The greatest factor of 7215 is 7215.
4. How to Find the GCF of 7210 and 7215?
Answer:
Greatest Common Factor of 7210 and 7215 = 5
Step 1: Find the prime factorization of 7210
7210 = 2 x 5 x 7 x 103
Step 2: Find the prime factorization of 7215
7215 = 3 x 5 x 13 x 37
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 7210 and 7215 is 5