Factors of 8987
The factors of 8987 are 1, 11, 19, 43, 209, 473, 817, 8987. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 8987 is a whole number that divides it with nothing left over. You only need to test the numbers up to √8987 ≈ 94.80; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 11 + 19 + 43 + 209 + 473 + 817 + 8987 = 10560. Without 8987 itself that is 1573, so 8987 is a deficient number.
LaTeX source of the formulas on this page
\[ 8987 = 11 \times 19 \times 43 \]
Factor pairs of 8987
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 8987 | 1 × 8987 = 8987 |
| 11 | 817 | 11 × 817 = 8987 |
| 19 | 473 | 19 × 473 = 8987 |
| 43 | 209 | 43 × 209 = 8987 |
Questions
What are the factors of 8987?
The factors of 8987 are 1, 11, 19, 43, 209, 473, 817, 8987. It has 8 factors.
What are the prime factors of 8987?
11, 19, 43. As a product: 11 × 19 × 43.
How many factors does 8987 have?
8987 has 8 factors (4 factor pairs).
What is the sum of the factors of 8987?
10560.
Is 8987 a prime number?
No. It is divisible by 11, so 8987 = 11 × 817.