Factors of 843

The factors of 843 are 1, 3, 281, 843. It has 4 factors.

Factors of 843

Pick any whole number from 1 to 10,000.

843 = 3 \times 281

How to work it out

1
A factor of 843 is a whole number that divides it with nothing left over. You only need to test the numbers up to √843 ≈ 29.03; 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.
$843 = 3 \times 281$
4
Add all the factors: 1 + 3 + 281 + 843 = 1128. Without 843 itself that is 285, so 843 is a deficient number.

LaTeX source of the formulas on this page

\[ 843 = 3 \times 281 \]

Factor	Pairs with	Product
1	843	1 × 843 = 843
3	281	3 × 281 = 843

What are the factors of 843?

The factors of 843 are 1, 3, 281, 843. It has 4 factors.

What are the prime factors of 843?

3, 281. As a product: 3 × 281.

How many factors does 843 have?

843 has 4 factors (2 factor pairs).

What is the sum of the factors of 843?

1128.

Is 843 a prime number?

No. It is divisible by 3, so 843 = 3 × 281.