Factors of 133
The factors of 133 are 1, 7, 19, 133. It has 4 factors.
Factors of 133
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 133 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā133 ā 11.53; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 4 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 7 + 19 + 133 = 160. Without 133 itself that is 27, so 133 is a deficient number.
LaTeX source of the formulas on this page
\[ 133 = 7 \times 19 \]
Factor pairs of 133
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 133 | 1 Ć 133 = 133 |
| 7 | 19 | 7 Ć 19 = 133 |
Questions
What are the factors of 133?
The factors of 133 are 1, 7, 19, 133. It has 4 factors.
What are the prime factors of 133?
7, 19. As a product: 7 Ć 19.
How many factors does 133 have?
133 has 4 factors (2 factor pairs).
What is the sum of the factors of 133?
160.
Is 133 a prime number?
No. It is divisible by 7, so 133 = 7 Ć 19.