Factors of 5421
The factors of 5421 are 1, 3, 13, 39, 139, 417, 1807, 5421. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 5421 is a whole number that divides it with nothing left over. You only need to test the numbers up to √5421 ≈ 73.63; 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 + 39 + 139 + 417 + 1807 + 5421 = 7840. Without 5421 itself that is 2419, so 5421 is a deficient number.
LaTeX source of the formulas on this page
\[ 5421 = 3 \times 13 \times 139 \]
Factor pairs of 5421
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 5421 | 1 × 5421 = 5421 |
| 3 | 1807 | 3 × 1807 = 5421 |
| 13 | 417 | 13 × 417 = 5421 |
| 39 | 139 | 39 × 139 = 5421 |
Questions
What are the factors of 5421?
The factors of 5421 are 1, 3, 13, 39, 139, 417, 1807, 5421. It has 8 factors.
What are the prime factors of 5421?
3, 13, 139. As a product: 3 × 13 × 139.
How many factors does 5421 have?
5421 has 8 factors (4 factor pairs).
What is the sum of the factors of 5421?
7840.
Is 5421 a prime number?
No. It is divisible by 3, so 5421 = 3 × 1807.