Factors of 164

2, 41. As a product: 2^2 × 41.

The factors of 164 are 1, 2, 4, 41, 82, 164. It has 6 factors.

Factors of 164

Pick any whole number from 1 to 10,000.

164 = 2^{2} \times 41

How to work it out

1
A factor of 164 is a whole number that divides it with nothing left over. You only need to test the numbers up to √164 ≈ 12.81; 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.
$164 = 2^{2} \times 41$
4
Add all the factors: 1 + 2 + 4 + 41 + 82 + 164 = 294. Without 164 itself that is 130, so 164 is a deficient number.

LaTeX source of the formulas on this page

\[ 164 = 2^{2} \times 41 \]

What are the factors of 164?

The factors of 164 are 1, 2, 4, 41, 82, 164. It has 6 factors.

What are the prime factors of 164?

2, 41. As a product: $2^{2}$ × 41.

How many factors does 164 have?

164 has 6 factors (3 factor pairs).

What is the sum of the factors of 164?

294.

Is 164 a prime number?

No. It is divisible by 2, so 164 = 2 × 82.