Factors of 3964

2, 991. As a product: 2^2 × 991.

The factors of 3964 are 1, 2, 4, 991, 1982, 3964. It has 6 factors.

Factors of 3964

Pick any whole number from 1 to 10,000.

3964 = 2^{2} \times 991

How to work it out

1
A factor of 3964 is a whole number that divides it with nothing left over. You only need to test the numbers up to √3964 ≈ 62.96; 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.
$3964 = 2^{2} \times 991$
4
Add all the factors: 1 + 2 + 4 + 991 + 1982 + 3964 = 6944. Without 3964 itself that is 2980, so 3964 is a deficient number.

LaTeX source of the formulas on this page

\[ 3964 = 2^{2} \times 991 \]

What are the factors of 3964?

The factors of 3964 are 1, 2, 4, 991, 1982, 3964. It has 6 factors.

What are the prime factors of 3964?

2, 991. As a product: $2^{2}$ × 991.

How many factors does 3964 have?

3964 has 6 factors (3 factor pairs).

What is the sum of the factors of 3964?

6944.

Is 3964 a prime number?

No. It is divisible by 2, so 3964 = 2 × 1982.