Factors of 142

The factors of 142 are 1, 2, 71, 142. It has 4 factors.

Factors of 142

Pick any whole number from 1 to 10,000.

142 = 2 \times 71

How to work it out

1
A factor of 142 is a whole number that divides it with nothing left over. You only need to test the numbers up to √142 ≈ 11.92; 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.
$142 = 2 \times 71$
4
Add all the factors: 1 + 2 + 71 + 142 = 216. Without 142 itself that is 74, so 142 is a deficient number.

LaTeX source of the formulas on this page

\[ 142 = 2 \times 71 \]

Factor	Pairs with	Product
1	142	1 × 142 = 142
2	71	2 × 71 = 142

What are the factors of 142?

The factors of 142 are 1, 2, 71, 142. It has 4 factors.

What are the prime factors of 142?

2, 71. As a product: 2 × 71.

How many factors does 142 have?

142 has 4 factors (2 factor pairs).

What is the sum of the factors of 142?

216.

Is 142 a prime number?

No. It is divisible by 2, so 142 = 2 × 71.