Factors of 3100
The factors of 3100 are 1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100. It has 18 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 3100 is a whole number that divides it with nothing left over. You only need to test the numbers up to √3100 ≈ 55.68; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 18 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 6944. Without 3100 itself that is 3844, so 3100 is an abundant number.
LaTeX source of the formulas on this page
\[ 3100 = 2^{2} \times 5^{2} \times 31 \]Factor pairs of 3100
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 3100 | 1 × 3100 = 3100 |
| 2 | 1550 | 2 × 1550 = 3100 |
| 4 | 775 | 4 × 775 = 3100 |
| 5 | 620 | 5 × 620 = 3100 |
| 10 | 310 | 10 × 310 = 3100 |
| 20 | 155 | 20 × 155 = 3100 |
| 25 | 124 | 25 × 124 = 3100 |
| 31 | 100 | 31 × 100 = 3100 |
| 50 | 62 | 50 × 62 = 3100 |
Questions
What are the factors of 3100?
The factors of 3100 are 1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100. It has 18 factors.
What are the prime factors of 3100?
2, 5, 31. As a product: × × 31.
How many factors does 3100 have?
3100 has 18 factors (9 factor pairs).
What is the sum of the factors of 3100?
6944.
Is 3100 a prime number?
No. It is divisible by 2, so 3100 = 2 × 1550.