Factors of 5991

The factors of 5991 are 1, 3, 1997, 5991. It has 4 factors.

Factors of 5991

Pick any whole number from 1 to 10,000.

5991 = 3 \times 1997

How to work it out

1
A factor of 5991 is a whole number that divides it with nothing left over. You only need to test the numbers up to √5991 ≈ 77.40; 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.
$5991 = 3 \times 1997$
4
Add all the factors: 1 + 3 + 1997 + 5991 = 7992. Without 5991 itself that is 2001, so 5991 is a deficient number.

LaTeX source of the formulas on this page

\[ 5991 = 3 \times 1997 \]

Factor	Pairs with	Product
1	5991	1 × 5991 = 5991
3	1997	3 × 1997 = 5991

What are the factors of 5991?

The factors of 5991 are 1, 3, 1997, 5991. It has 4 factors.

What are the prime factors of 5991?

3, 1997. As a product: 3 × 1997.

How many factors does 5991 have?

5991 has 4 factors (2 factor pairs).

What is the sum of the factors of 5991?

7992.

Is 5991 a prime number?

No. It is divisible by 3, so 5991 = 3 × 1997.