Factors of 9985

The factors of 9985 are 1, 5, 1997, 9985. It has 4 factors.

Factors of 9985

Pick any whole number from 1 to 10,000.

9985 = 5 \times 1997

How to work it out

1
A factor of 9985 is a whole number that divides it with nothing left over. You only need to test the numbers up to √9985 ≈ 99.92; 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.
$9985 = 5 \times 1997$
4
Add all the factors: 1 + 5 + 1997 + 9985 = 11988. Without 9985 itself that is 2003, so 9985 is a deficient number.

LaTeX source of the formulas on this page

\[ 9985 = 5 \times 1997 \]

Factor	Pairs with	Product
1	9985	1 × 9985 = 9985
5	1997	5 × 1997 = 9985

What are the factors of 9985?

The factors of 9985 are 1, 5, 1997, 9985. It has 4 factors.

What are the prime factors of 9985?

5, 1997. As a product: 5 × 1997.

How many factors does 9985 have?

9985 has 4 factors (2 factor pairs).

What is the sum of the factors of 9985?

11988.

Is 9985 a prime number?

No. It is divisible by 5, so 9985 = 5 × 1997.