Factors of 122

The factors of 122 are 1, 2, 61, 122. It has 4 factors.

Factors of 122

Pick any whole number from 1 to 10,000.

122 = 2 \times 61

How to work it out

1
A factor of 122 is a whole number that divides it with nothing left over. You only need to test the numbers up to √122 ≈ 11.05; 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.
$122 = 2 \times 61$
4
Add all the factors: 1 + 2 + 61 + 122 = 186. Without 122 itself that is 64, so 122 is a deficient number.

LaTeX source of the formulas on this page

\[ 122 = 2 \times 61 \]

Factor	Pairs with	Product
1	122	1 × 122 = 122
2	61	2 × 61 = 122

What are the factors of 122?

The factors of 122 are 1, 2, 61, 122. It has 4 factors.

What are the prime factors of 122?

2, 61. As a product: 2 × 61.

How many factors does 122 have?

122 has 4 factors (2 factor pairs).

What is the sum of the factors of 122?

186.

Is 122 a prime number?

No. It is divisible by 2, so 122 = 2 × 61.