Factors of 8428
The factors of 8428 are 1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428. It has 18 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 8428 is a whole number that divides it with nothing left over. You only need to test the numbers up to √8428 ≈ 91.80; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 18 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 17556. Without 8428 itself that is 9128, so 8428 is an abundant number.
LaTeX source of the formulas on this page
\[ 8428 = 2^{2} \times 7^{2} \times 43 \]Factor pairs of 8428
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 8428 | 1 × 8428 = 8428 |
| 2 | 4214 | 2 × 4214 = 8428 |
| 4 | 2107 | 4 × 2107 = 8428 |
| 7 | 1204 | 7 × 1204 = 8428 |
| 14 | 602 | 14 × 602 = 8428 |
| 28 | 301 | 28 × 301 = 8428 |
| 43 | 196 | 43 × 196 = 8428 |
| 49 | 172 | 49 × 172 = 8428 |
| 86 | 98 | 86 × 98 = 8428 |
Questions
What are the factors of 8428?
The factors of 8428 are 1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428. It has 18 factors.
What are the prime factors of 8428?
2, 7, 43. As a product: × × 43.
How many factors does 8428 have?
8428 has 18 factors (9 factor pairs).
What is the sum of the factors of 8428?
17556.
Is 8428 a prime number?
No. It is divisible by 2, so 8428 = 2 × 4214.