Factors of 9940
The factors of 9940 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940. It has 24 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 9940 is a whole number that divides it with nothing left over. You only need to test the numbers up to √9940 ≈ 99.70; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 24 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 24192. Without 9940 itself that is 14252, so 9940 is an abundant number.
LaTeX source of the formulas on this page
\[ 9940 = 2^{2} \times 5 \times 7 \times 71 \]Factor pairs of 9940
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 9940 | 1 × 9940 = 9940 |
| 2 | 4970 | 2 × 4970 = 9940 |
| 4 | 2485 | 4 × 2485 = 9940 |
| 5 | 1988 | 5 × 1988 = 9940 |
| 7 | 1420 | 7 × 1420 = 9940 |
| 10 | 994 | 10 × 994 = 9940 |
| 14 | 710 | 14 × 710 = 9940 |
| 20 | 497 | 20 × 497 = 9940 |
| 28 | 355 | 28 × 355 = 9940 |
| 35 | 284 | 35 × 284 = 9940 |
| 70 | 142 | 70 × 142 = 9940 |
| 71 | 140 | 71 × 140 = 9940 |
Questions
What are the factors of 9940?
The factors of 9940 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940. It has 24 factors.
What are the prime factors of 9940?
2, 5, 7, 71. As a product: × 5 × 7 × 71.
How many factors does 9940 have?
9940 has 24 factors (12 factor pairs).
What is the sum of the factors of 9940?
24192.
Is 9940 a prime number?
No. It is divisible by 2, so 9940 = 2 × 4970.