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 7125, 7128 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7125 and 7128 is 3.
GCF(7125,7128) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7125
3 | 7125 |
5 | 2375 |
5 | 475 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 7125 are 3,5,19. Prime factorization of 7125 in exponential form is:
7125 = 31×53×191
Prime Factorization of 7128
2 | 7128 |
2 | 3564 |
2 | 1782 |
3 | 891 |
3 | 297 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 7128 are 2,3,11. Prime factorization of 7128 in exponential form is:
7128 = 23×34×111
∴ So by taking common prime factors GCF of 7125 and 7128 is 3
Factors of 7125
List of positive integer factors of 7125 that divides 7125 without a remainder.
1,3,5,15,19,25,57,75,95,125,285,375,475,1425,2375,7125
Factors of 7128
List of positive integer factors of 7128 that divides 7128 without a remainder.
1,2,3,4,6,8,9,11,12,18,22,24,27,33,36,44,54,66,72,81,88,99,108,132,162,198,216,264,297,324,396,594,648,792,891,1188,1782,2376,3564,7128
Greatest Common Factor
We found the factors and prime factorization of 7125 and 7128. The biggest common factor number is the GCF number.
So the greatest common factor 7125 and 7128 is 3.
Also check out the Least Common Multiple of 7125 and 7128
(i) The GCF of 7125 and 7128 is associative
GCF of 7125 and 7128 = GCF of 7128 and 7125
1. What is the GCF of 7125 and 7128?
Answer: GCF of 7125 and 7128 is 3.
2. What are the Factors of 7125?
Answer: Factors of 7125 are 1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 7125. There are 16 integers that are factors of 7125. The greatest factor of 7125 is 7125.
3. What are the Factors of 7128?
Answer: Factors of 7128 are 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 3564, 7128. There are 40 integers that are factors of 7128. The greatest factor of 7128 is 7128.
4. How to Find the GCF of 7125 and 7128?
Answer:
Greatest Common Factor of 7125 and 7128 = 3
Step 1: Find the prime factorization of 7125
7125 = 3 x 5 x 5 x 5 x 19
Step 2: Find the prime factorization of 7128
7128 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 11
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 7125 and 7128 is 3