Factors of 111

The factors of 111 are 1, 3, 37, 111. It has 4 factors.

Factors of 111

Pick any whole number from 1 to 10,000.

111 = 3 \times 37

How to work it out

1
A factor of 111 is a whole number that divides it with nothing left over. You only need to test the numbers up to √111 ≈ 10.54; 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.
$111 = 3 \times 37$
4
Add all the factors: 1 + 3 + 37 + 111 = 152. Without 111 itself that is 41, so 111 is a deficient number.

LaTeX source of the formulas on this page

\[ 111 = 3 \times 37 \]

Factor	Pairs with	Product
1	111	1 × 111 = 111
3	37	3 × 37 = 111

What are the factors of 111?

The factors of 111 are 1, 3, 37, 111. It has 4 factors.

What are the prime factors of 111?

3, 37. As a product: 3 × 37.

How many factors does 111 have?

111 has 4 factors (2 factor pairs).

What is the sum of the factors of 111?

152.

Is 111 a prime number?

No. It is divisible by 3, so 111 = 3 × 37.