Factors of 3440
The factors of 3440 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440. It has 20 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 3440 is a whole number that divides it with nothing left over. You only need to test the numbers up to √3440 ≈ 58.65; 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 8184. Without 3440 itself that is 4744, so 3440 is an abundant number.
LaTeX source of the formulas on this page
\[ 3440 = 2^{4} \times 5 \times 43 \]Factor pairs of 3440
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 3440 | 1 × 3440 = 3440 |
| 2 | 1720 | 2 × 1720 = 3440 |
| 4 | 860 | 4 × 860 = 3440 |
| 5 | 688 | 5 × 688 = 3440 |
| 8 | 430 | 8 × 430 = 3440 |
| 10 | 344 | 10 × 344 = 3440 |
| 16 | 215 | 16 × 215 = 3440 |
| 20 | 172 | 20 × 172 = 3440 |
| 40 | 86 | 40 × 86 = 3440 |
| 43 | 80 | 43 × 80 = 3440 |
Questions
What are the factors of 3440?
The factors of 3440 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440. It has 20 factors.
What are the prime factors of 3440?
2, 5, 43. As a product: × 5 × 43.
How many factors does 3440 have?
3440 has 20 factors (10 factor pairs).
What is the sum of the factors of 3440?
8184.
Is 3440 a prime number?
No. It is divisible by 2, so 3440 = 2 × 1720.