Factors of 783

3, 29. As a product: 3^3 × 29.

The factors of 783 are 1, 3, 9, 27, 29, 87, 261, 783. It has 8 factors.

Factors of 783

Pick any whole number from 1 to 10,000.

783 = 3^{3} \times 29

How to work it out

1
A factor of 783 is a whole number that divides it with nothing left over. You only need to test the numbers up to √783 ≈ 27.98; 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.
$783 = 3^{3} \times 29$
4
Add all the factors: 1 + 3 + 9 + 27 + 29 + 87 + 261 + 783 = 1200. Without 783 itself that is 417, so 783 is a deficient number.

LaTeX source of the formulas on this page

\[ 783 = 3^{3} \times 29 \]

What are the factors of 783?

The factors of 783 are 1, 3, 9, 27, 29, 87, 261, 783. It has 8 factors.

What are the prime factors of 783?

3, 29. As a product: $3^{3}$ × 29.

How many factors does 783 have?

783 has 8 factors (4 factor pairs).

What is the sum of the factors of 783?

1200.

Is 783 a prime number?

No. It is divisible by 3, so 783 = 3 × 261.