Factors of 789

The factors of 789 are 1, 3, 263, 789. It has 4 factors.

Factors of 789

Pick any whole number from 1 to 10,000.

789 = 3 \times 263

How to work it out

1
A factor of 789 is a whole number that divides it with nothing left over. You only need to test the numbers up to √789 ≈ 28.09; 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.
$789 = 3 \times 263$
4
Add all the factors: 1 + 3 + 263 + 789 = 1056. Without 789 itself that is 267, so 789 is a deficient number.

LaTeX source of the formulas on this page

\[ 789 = 3 \times 263 \]

Factor	Pairs with	Product
1	789	1 × 789 = 789
3	263	3 × 263 = 789

What are the factors of 789?

The factors of 789 are 1, 3, 263, 789. It has 4 factors.

What are the prime factors of 789?

3, 263. As a product: 3 × 263.

How many factors does 789 have?

789 has 4 factors (2 factor pairs).

What is the sum of the factors of 789?

1056.

Is 789 a prime number?

No. It is divisible by 3, so 789 = 3 × 263.