Factors of 798
The factors of 798 are 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798. It has 16 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 798 is a whole number that divides it with nothing left over. You only need to test the numbers up to √798 ≈ 28.25; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 16 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 1920. Without 798 itself that is 1122, so 798 is an abundant number.
LaTeX source of the formulas on this page
\[ 798 = 2 \times 3 \times 7 \times 19 \]
Factor pairs of 798
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 798 | 1 × 798 = 798 |
| 2 | 399 | 2 × 399 = 798 |
| 3 | 266 | 3 × 266 = 798 |
| 6 | 133 | 6 × 133 = 798 |
| 7 | 114 | 7 × 114 = 798 |
| 14 | 57 | 14 × 57 = 798 |
| 19 | 42 | 19 × 42 = 798 |
| 21 | 38 | 21 × 38 = 798 |
Questions
What are the factors of 798?
The factors of 798 are 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798. It has 16 factors.
What are the prime factors of 798?
2, 3, 7, 19. As a product: 2 × 3 × 7 × 19.
How many factors does 798 have?
798 has 16 factors (8 factor pairs).
What is the sum of the factors of 798?
1920.
Is 798 a prime number?
No. It is divisible by 2, so 798 = 2 × 399.