Factors of 672
The factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672. It has 24 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 672 is a whole number that divides it with nothing left over. You only need to test the numbers up to √672 ≈ 25.92; 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 2016. Without 672 itself that is 1344, so 672 is an abundant number.
LaTeX source of the formulas on this page
\[ 672 = 2^{5} \times 3 \times 7 \]Factor pairs of 672
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 672 | 1 × 672 = 672 |
| 2 | 336 | 2 × 336 = 672 |
| 3 | 224 | 3 × 224 = 672 |
| 4 | 168 | 4 × 168 = 672 |
| 6 | 112 | 6 × 112 = 672 |
| 7 | 96 | 7 × 96 = 672 |
| 8 | 84 | 8 × 84 = 672 |
| 12 | 56 | 12 × 56 = 672 |
| 14 | 48 | 14 × 48 = 672 |
| 16 | 42 | 16 × 42 = 672 |
| 21 | 32 | 21 × 32 = 672 |
| 24 | 28 | 24 × 28 = 672 |
Questions
What are the factors of 672?
The factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672. It has 24 factors.
What are the prime factors of 672?
2, 3, 7. As a product: × 3 × 7.
How many factors does 672 have?
672 has 24 factors (12 factor pairs).
What is the sum of the factors of 672?
2016.
Is 672 a prime number?
No. It is divisible by 2, so 672 = 2 × 336.