Factors of 125
The factors of 125 are 1, 5, 25, 125. It has 4 factors.
Factors of 125
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 125 is a whole number that divides it with nothing left over. You only need to test the numbers up to √125 ≈ 11.18; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 4 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 5 + 25 + 125 = 156. Without 125 itself that is 31, so 125 is a deficient number.
LaTeX source of the formulas on this page
\[ 125 = 5^{3} \]Factor pairs of 125
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 125 | 1 × 125 = 125 |
| 5 | 25 | 5 × 25 = 125 |
Questions
What are the factors of 125?
The factors of 125 are 1, 5, 25, 125. It has 4 factors.
What are the prime factors of 125?
5. As a product: .
How many factors does 125 have?
125 has 4 factors (2 factor pairs).
What is the sum of the factors of 125?
156.
Is 125 a prime number?
No. It is divisible by 5, so 125 = 5 × 25.