Factors of 6404

2, 1601. As a product: 2^2 × 1601.

The factors of 6404 are 1, 2, 4, 1601, 3202, 6404. It has 6 factors.

Factors of 6404

Pick any whole number from 1 to 10,000.

6404 = 2^{2} \times 1601

How to work it out

1
A factor of 6404 is a whole number that divides it with nothing left over. You only need to test the numbers up to √6404 ≈ 80.02; 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.
$6404 = 2^{2} \times 1601$
4
Add all the factors: 1 + 2 + 4 + 1601 + 3202 + 6404 = 11214. Without 6404 itself that is 4810, so 6404 is a deficient number.

LaTeX source of the formulas on this page

\[ 6404 = 2^{2} \times 1601 \]

What are the factors of 6404?

The factors of 6404 are 1, 2, 4, 1601, 3202, 6404. It has 6 factors.

What are the prime factors of 6404?

2, 1601. As a product: $2^{2}$ × 1601.

How many factors does 6404 have?

6404 has 6 factors (3 factor pairs).

What is the sum of the factors of 6404?

11214.

Is 6404 a prime number?

No. It is divisible by 2, so 6404 = 2 × 3202.