Factors of 43
The factors of 43 are 1, 43. It has 2 factors.
Factors of 43
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 43 is a whole number that divides it with nothing left over. You only need to test the numbers up to √43 ≈ 6.56; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 2 factors.
- 3
43 has no factors besides 1 and itself, so it is a prime number.
- 4
Add all the factors: 1 + 43 = 44. Without 43 itself that is 1, so 43 is a deficient number.
LaTeX source of the formulas on this page
\[ 43 = 43 \]
Factor pairs of 43
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 43 | 1 × 43 = 43 |
Questions
What are the factors of 43?
The factors of 43 are 1, 43. It has 2 factors.
What are the prime factors of 43?
43. As a product: 43.
How many factors does 43 have?
43 has 2 factors (1 factor pair).
What is the sum of the factors of 43?
44.
Is 43 a prime number?
Yes. Its only factors are 1 and 43.