Factors of 731
The factors of 731 are 1, 17, 43, 731. It has 4 factors.
Factors of 731
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 731 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā731 ā 27.04; 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 + 17 + 43 + 731 = 792. Without 731 itself that is 61, so 731 is a deficient number.
LaTeX source of the formulas on this page
\[ 731 = 17 \times 43 \]
Factor pairs of 731
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 731 | 1 Ć 731 = 731 |
| 17 | 43 | 17 Ć 43 = 731 |
Questions
What are the factors of 731?
The factors of 731 are 1, 17, 43, 731. It has 4 factors.
What are the prime factors of 731?
17, 43. As a product: 17 Ć 43.
How many factors does 731 have?
731 has 4 factors (2 factor pairs).
What is the sum of the factors of 731?
792.
Is 731 a prime number?
No. It is divisible by 17, so 731 = 17 Ć 43.