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 7120, 7128 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7120 and 7128 is 8.
GCF(7120,7128) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7120
2 | 7120 |
2 | 3560 |
2 | 1780 |
2 | 890 |
5 | 445 |
89 | 89 |
1 |
Prime factors of 7120 are 2,5,89. Prime factorization of 7120 in exponential form is:
7120 = 24×51×891
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 7120 and 7128 is 8
Factors of 7120
List of positive integer factors of 7120 that divides 7120 without a remainder.
1,2,4,5,8,10,16,20,40,80,89,178,356,445,712,890,1424,1780,3560,7120
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 7120 and 7128. The biggest common factor number is the GCF number.
So the greatest common factor 7120 and 7128 is 8.
Also check out the Least Common Multiple of 7120 and 7128
(i) The GCF of 7120 and 7128 is associative
GCF of 7120 and 7128 = GCF of 7128 and 7120
1. What is the GCF of 7120 and 7128?
Answer: GCF of 7120 and 7128 is 8.
2. What are the Factors of 7120?
Answer: Factors of 7120 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120. There are 20 integers that are factors of 7120. The greatest factor of 7120 is 7120.
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 7120 and 7128?
Answer:
Greatest Common Factor of 7120 and 7128 = 8
Step 1: Find the prime factorization of 7120
7120 = 2 x 2 x 2 x 2 x 5 x 89
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 = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 7120 and 7128 is 8