Factors of 7120
The factors of 7120 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120. It has 20 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 7120 is a whole number that divides it with nothing left over. You only need to test the numbers up to √7120 ≈ 84.38; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 20 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 16740. Without 7120 itself that is 9620, so 7120 is an abundant number.
LaTeX source of the formulas on this page
\[ 7120 = 2^{4} \times 5 \times 89 \]Factor pairs of 7120
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 7120 | 1 × 7120 = 7120 |
| 2 | 3560 | 2 × 3560 = 7120 |
| 4 | 1780 | 4 × 1780 = 7120 |
| 5 | 1424 | 5 × 1424 = 7120 |
| 8 | 890 | 8 × 890 = 7120 |
| 10 | 712 | 10 × 712 = 7120 |
| 16 | 445 | 16 × 445 = 7120 |
| 20 | 356 | 20 × 356 = 7120 |
| 40 | 178 | 40 × 178 = 7120 |
| 80 | 89 | 80 × 89 = 7120 |
Questions
What are the factors of 7120?
The factors of 7120 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120. It has 20 factors.
What are the prime factors of 7120?
2, 5, 89. As a product: × 5 × 89.
How many factors does 7120 have?
7120 has 20 factors (10 factor pairs).
What is the sum of the factors of 7120?
16740.
Is 7120 a prime number?
No. It is divisible by 2, so 7120 = 2 × 3560.