Factors of 218

The factors of 218 are 1, 2, 109, 218. It has 4 factors.

Factors of 218

Pick any whole number from 1 to 10,000.

218 = 2 \times 109

How to work it out

1
A factor of 218 is a whole number that divides it with nothing left over. You only need to test the numbers up to √218 ≈ 14.76; 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.
$218 = 2 \times 109$
4
Add all the factors: 1 + 2 + 109 + 218 = 330. Without 218 itself that is 112, so 218 is a deficient number.

LaTeX source of the formulas on this page

\[ 218 = 2 \times 109 \]

Factor	Pairs with	Product
1	218	1 × 218 = 218
2	109	2 × 109 = 218

What are the factors of 218?

The factors of 218 are 1, 2, 109, 218. It has 4 factors.

What are the prime factors of 218?

2, 109. As a product: 2 × 109.

How many factors does 218 have?

218 has 4 factors (2 factor pairs).

What is the sum of the factors of 218?

330.

Is 218 a prime number?

No. It is divisible by 2, so 218 = 2 × 109.