Factors of 404

2, 101. As a product: 2^2 × 101.

The factors of 404 are 1, 2, 4, 101, 202, 404. It has 6 factors.

Factors of 404

Pick any whole number from 1 to 10,000.

404 = 2^{2} \times 101

How to work it out

1
A factor of 404 is a whole number that divides it with nothing left over. You only need to test the numbers up to √404 ≈ 20.10; 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.
$404 = 2^{2} \times 101$
4
Add all the factors: 1 + 2 + 4 + 101 + 202 + 404 = 714. Without 404 itself that is 310, so 404 is a deficient number.

LaTeX source of the formulas on this page

\[ 404 = 2^{2} \times 101 \]

What are the factors of 404?

The factors of 404 are 1, 2, 4, 101, 202, 404. It has 6 factors.

What are the prime factors of 404?

2, 101. As a product: $2^{2}$ × 101.

How many factors does 404 have?

404 has 6 factors (3 factor pairs).

What is the sum of the factors of 404?

714.

Is 404 a prime number?

No. It is divisible by 2, so 404 = 2 × 202.