Factors of 747

3, 83. As a product: 3^2 × 83.

The factors of 747 are 1, 3, 9, 83, 249, 747. It has 6 factors.

Factors of 747

Pick any whole number from 1 to 10,000.

747 = 3^{2} \times 83

How to work it out

1
A factor of 747 is a whole number that divides it with nothing left over. You only need to test the numbers up to √747 ≈ 27.33; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$747 = 3^{2} \times 83$
4
Add all the factors: 1 + 3 + 9 + 83 + 249 + 747 = 1092. Without 747 itself that is 345, so 747 is a deficient number.

LaTeX source of the formulas on this page

\[ 747 = 3^{2} \times 83 \]

What are the factors of 747?

The factors of 747 are 1, 3, 9, 83, 249, 747. It has 6 factors.

What are the prime factors of 747?

3, 83. As a product: $3^{2}$ × 83.

How many factors does 747 have?

747 has 6 factors (3 factor pairs).

What is the sum of the factors of 747?

1092.

Is 747 a prime number?

No. It is divisible by 3, so 747 = 3 × 249.