Factors of 624
The factors of 624 are 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624. It has 20 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 624 is a whole number that divides it with nothing left over. You only need to test the numbers up to √624 ≈ 24.98; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 20 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 1736. Without 624 itself that is 1112, so 624 is an abundant number.
LaTeX source of the formulas on this page
\[ 624 = 2^{4} \times 3 \times 13 \]Factor pairs of 624
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 624 | 1 × 624 = 624 |
| 2 | 312 | 2 × 312 = 624 |
| 3 | 208 | 3 × 208 = 624 |
| 4 | 156 | 4 × 156 = 624 |
| 6 | 104 | 6 × 104 = 624 |
| 8 | 78 | 8 × 78 = 624 |
| 12 | 52 | 12 × 52 = 624 |
| 13 | 48 | 13 × 48 = 624 |
| 16 | 39 | 16 × 39 = 624 |
| 24 | 26 | 24 × 26 = 624 |
Questions
What are the factors of 624?
The factors of 624 are 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624. It has 20 factors.
What are the prime factors of 624?
2, 3, 13. As a product: × 3 × 13.
How many factors does 624 have?
624 has 20 factors (10 factor pairs).
What is the sum of the factors of 624?
1736.
Is 624 a prime number?
No. It is divisible by 2, so 624 = 2 × 312.