Factors of 195
The factors of 195 are 1, 3, 5, 13, 15, 39, 65, 195. It has 8 factors.
Factors of 195
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 195 is a whole number that divides it with nothing left over. You only need to test the numbers up to √195 ≈ 13.96; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 3 + 5 + 13 + 15 + 39 + 65 + 195 = 336. Without 195 itself that is 141, so 195 is a deficient number.
LaTeX source of the formulas on this page
\[ 195 = 3 \times 5 \times 13 \]
Factor pairs of 195
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 195 | 1 × 195 = 195 |
| 3 | 65 | 3 × 65 = 195 |
| 5 | 39 | 5 × 39 = 195 |
| 13 | 15 | 13 × 15 = 195 |
Questions
What are the factors of 195?
The factors of 195 are 1, 3, 5, 13, 15, 39, 65, 195. It has 8 factors.
What are the prime factors of 195?
3, 5, 13. As a product: 3 × 5 × 13.
How many factors does 195 have?
195 has 8 factors (4 factor pairs).
What is the sum of the factors of 195?
336.
Is 195 a prime number?
No. It is divisible by 3, so 195 = 3 × 65.