Factors of 5445
The factors of 5445 are 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445. It has 18 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 5445 is a whole number that divides it with nothing left over. You only need to test the numbers up to √5445 ≈ 73.79; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 18 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 10374. Without 5445 itself that is 4929, so 5445 is a deficient number.
LaTeX source of the formulas on this page
\[ 5445 = 3^{2} \times 5 \times 11^{2} \]Factor pairs of 5445
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 5445 | 1 × 5445 = 5445 |
| 3 | 1815 | 3 × 1815 = 5445 |
| 5 | 1089 | 5 × 1089 = 5445 |
| 9 | 605 | 9 × 605 = 5445 |
| 11 | 495 | 11 × 495 = 5445 |
| 15 | 363 | 15 × 363 = 5445 |
| 33 | 165 | 33 × 165 = 5445 |
| 45 | 121 | 45 × 121 = 5445 |
| 55 | 99 | 55 × 99 = 5445 |
Questions
What are the factors of 5445?
The factors of 5445 are 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445. It has 18 factors.
What are the prime factors of 5445?
3, 5, 11. As a product: × 5 × .
How many factors does 5445 have?
5445 has 18 factors (9 factor pairs).
What is the sum of the factors of 5445?
10374.
Is 5445 a prime number?
No. It is divisible by 3, so 5445 = 3 × 1815.