Factors of 1443
The factors of 1443 are 1, 3, 13, 37, 39, 111, 481, 1443. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1443 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1443 ≈ 37.99; 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 + 3 + 13 + 37 + 39 + 111 + 481 + 1443 = 2128. Without 1443 itself that is 685, so 1443 is a deficient number.
LaTeX source of the formulas on this page
\[ 1443 = 3 \times 13 \times 37 \]
Factor pairs of 1443
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1443 | 1 × 1443 = 1443 |
| 3 | 481 | 3 × 481 = 1443 |
| 13 | 111 | 13 × 111 = 1443 |
| 37 | 39 | 37 × 39 = 1443 |
Questions
What are the factors of 1443?
The factors of 1443 are 1, 3, 13, 37, 39, 111, 481, 1443. It has 8 factors.
What are the prime factors of 1443?
3, 13, 37. As a product: 3 × 13 × 37.
How many factors does 1443 have?
1443 has 8 factors (4 factor pairs).
What is the sum of the factors of 1443?
2128.
Is 1443 a prime number?
No. It is divisible by 3, so 1443 = 3 × 481.