Factors of 168
The factors of 168 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168. It has 16 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 168 is a whole number that divides it with nothing left over. You only need to test the numbers up to √168 ≈ 12.96; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 16 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 480. Without 168 itself that is 312, so 168 is an abundant number.
LaTeX source of the formulas on this page
\[ 168 = 2^{3} \times 3 \times 7 \]Factor pairs of 168
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 168 | 1 × 168 = 168 |
| 2 | 84 | 2 × 84 = 168 |
| 3 | 56 | 3 × 56 = 168 |
| 4 | 42 | 4 × 42 = 168 |
| 6 | 28 | 6 × 28 = 168 |
| 7 | 24 | 7 × 24 = 168 |
| 8 | 21 | 8 × 21 = 168 |
| 12 | 14 | 12 × 14 = 168 |
Questions
What are the factors of 168?
The factors of 168 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168. It has 16 factors.
What are the prime factors of 168?
2, 3, 7. As a product: × 3 × 7.
How many factors does 168 have?
168 has 16 factors (8 factor pairs).
What is the sum of the factors of 168?
480.
Is 168 a prime number?
No. It is divisible by 2, so 168 = 2 × 84.