Factors of 3988

2, 997. As a product: 2^2 × 997.

The factors of 3988 are 1, 2, 4, 997, 1994, 3988. It has 6 factors.

Factors of 3988

Pick any whole number from 1 to 10,000.

3988 = 2^{2} \times 997

How to work it out

1
A factor of 3988 is a whole number that divides it with nothing left over. You only need to test the numbers up to √3988 ≈ 63.15; 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.
$3988 = 2^{2} \times 997$
4
Add all the factors: 1 + 2 + 4 + 997 + 1994 + 3988 = 6986. Without 3988 itself that is 2998, so 3988 is a deficient number.

LaTeX source of the formulas on this page

\[ 3988 = 2^{2} \times 997 \]

What are the factors of 3988?

The factors of 3988 are 1, 2, 4, 997, 1994, 3988. It has 6 factors.

What are the prime factors of 3988?

2, 997. As a product: $2^{2}$ × 997.

How many factors does 3988 have?

3988 has 6 factors (3 factor pairs).

What is the sum of the factors of 3988?

6986.

Is 3988 a prime number?

No. It is divisible by 2, so 3988 = 2 × 1994.