Factors of 841
The factors of 841 are 1, 29, 841. It has 3 factors.
Factors of 841
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 841 is a whole number that divides it with nothing left over. You only need to test the numbers up to √841 ≈ 29.00; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 3 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 29 + 841 = 871. Without 841 itself that is 30, so 841 is a deficient number.
LaTeX source of the formulas on this page
\[ 841 = 29^{2} \]Factor pairs of 841
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 841 | 1 × 841 = 841 |
| 29 | 29 | 29 × 29 = 841 |
Questions
What are the factors of 841?
The factors of 841 are 1, 29, 841. It has 3 factors.
What are the prime factors of 841?
29. As a product: .
How many factors does 841 have?
841 has 3 factors (2 factor pairs, one of them 29 × 29).
What is the sum of the factors of 841?
871.
Is 841 a prime number?
No. It is divisible by 29, so 841 = 29 × 29.