Factors of 745
The factors of 745 are 1, 5, 149, 745. It has 4 factors.
Factors of 745
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 745 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā745 ā 27.29; 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 + 149 + 745 = 900. Without 745 itself that is 155, so 745 is a deficient number.
LaTeX source of the formulas on this page
\[ 745 = 5 \times 149 \]
Factor pairs of 745
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 745 | 1 Ć 745 = 745 |
| 5 | 149 | 5 Ć 149 = 745 |
Questions
What are the factors of 745?
The factors of 745 are 1, 5, 149, 745. It has 4 factors.
What are the prime factors of 745?
5, 149. As a product: 5 Ć 149.
How many factors does 745 have?
745 has 4 factors (2 factor pairs).
What is the sum of the factors of 745?
900.
Is 745 a prime number?
No. It is divisible by 5, so 745 = 5 Ć 149.