Factors of 2820
The factors of 2820 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820. It has 24 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 2820 is a whole number that divides it with nothing left over. You only need to test the numbers up to √2820 ≈ 53.10; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 24 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 8064. Without 2820 itself that is 5244, so 2820 is an abundant number.
LaTeX source of the formulas on this page
\[ 2820 = 2^{2} \times 3 \times 5 \times 47 \]Factor pairs of 2820
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 2820 | 1 × 2820 = 2820 |
| 2 | 1410 | 2 × 1410 = 2820 |
| 3 | 940 | 3 × 940 = 2820 |
| 4 | 705 | 4 × 705 = 2820 |
| 5 | 564 | 5 × 564 = 2820 |
| 6 | 470 | 6 × 470 = 2820 |
| 10 | 282 | 10 × 282 = 2820 |
| 12 | 235 | 12 × 235 = 2820 |
| 15 | 188 | 15 × 188 = 2820 |
| 20 | 141 | 20 × 141 = 2820 |
| 30 | 94 | 30 × 94 = 2820 |
| 47 | 60 | 47 × 60 = 2820 |
Questions
What are the factors of 2820?
The factors of 2820 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820. It has 24 factors.
What are the prime factors of 2820?
2, 3, 5, 47. As a product: × 3 × 5 × 47.
How many factors does 2820 have?
2820 has 24 factors (12 factor pairs).
What is the sum of the factors of 2820?
8064.
Is 2820 a prime number?
No. It is divisible by 2, so 2820 = 2 × 1410.