Factors of 988
The factors of 988 are 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988. It has 12 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 988 is a whole number that divides it with nothing left over. You only need to test the numbers up to √988 ≈ 31.43; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 12 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 2 + 4 + 13 + 19 + 26 + 38 + 52 + 76 + 247 + 494 + 988 = 1960. Without 988 itself that is 972, so 988 is a deficient number.
LaTeX source of the formulas on this page
\[ 988 = 2^{2} \times 13 \times 19 \]Factor pairs of 988
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 988 | 1 × 988 = 988 |
| 2 | 494 | 2 × 494 = 988 |
| 4 | 247 | 4 × 247 = 988 |
| 13 | 76 | 13 × 76 = 988 |
| 19 | 52 | 19 × 52 = 988 |
| 26 | 38 | 26 × 38 = 988 |
Questions
What are the factors of 988?
The factors of 988 are 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988. It has 12 factors.
What are the prime factors of 988?
2, 13, 19. As a product: × 13 × 19.
How many factors does 988 have?
988 has 12 factors (6 factor pairs).
What is the sum of the factors of 988?
1960.
Is 988 a prime number?
No. It is divisible by 2, so 988 = 2 × 494.