Factors of 188

2, 47. As a product: 2^2 × 47.

The factors of 188 are 1, 2, 4, 47, 94, 188. It has 6 factors.

Factors of 188

Pick any whole number from 1 to 10,000.

188 = 2^{2} \times 47

How to work it out

1
A factor of 188 is a whole number that divides it with nothing left over. You only need to test the numbers up to √188 ≈ 13.71; 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.
$188 = 2^{2} \times 47$
4
Add all the factors: 1 + 2 + 4 + 47 + 94 + 188 = 336. Without 188 itself that is 148, so 188 is a deficient number.

LaTeX source of the formulas on this page

\[ 188 = 2^{2} \times 47 \]

What are the factors of 188?

The factors of 188 are 1, 2, 4, 47, 94, 188. It has 6 factors.

What are the prime factors of 188?

2, 47. As a product: $2^{2}$ × 47.

How many factors does 188 have?

188 has 6 factors (3 factor pairs).

What is the sum of the factors of 188?

336.

Is 188 a prime number?

No. It is divisible by 2, so 188 = 2 × 94.