Factors of 6721
The factors of 6721 are 1, 11, 13, 47, 143, 517, 611, 6721. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 6721 is a whole number that divides it with nothing left over. You only need to test the numbers up to √6721 ≈ 81.98; 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 + 11 + 13 + 47 + 143 + 517 + 611 + 6721 = 8064. Without 6721 itself that is 1343, so 6721 is a deficient number.
LaTeX source of the formulas on this page
\[ 6721 = 11 \times 13 \times 47 \]
Factor pairs of 6721
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 6721 | 1 × 6721 = 6721 |
| 11 | 611 | 11 × 611 = 6721 |
| 13 | 517 | 13 × 517 = 6721 |
| 47 | 143 | 47 × 143 = 6721 |
Questions
What are the factors of 6721?
The factors of 6721 are 1, 11, 13, 47, 143, 517, 611, 6721. It has 8 factors.
What are the prime factors of 6721?
11, 13, 47. As a product: 11 × 13 × 47.
How many factors does 6721 have?
6721 has 8 factors (4 factor pairs).
What is the sum of the factors of 6721?
8064.
Is 6721 a prime number?
No. It is divisible by 11, so 6721 = 11 × 611.