Factors of 1142

The factors of 1142 are 1, 2, 571, 1142. It has 4 factors.

Factors of 1142

Pick any whole number from 1 to 10,000.

1142 = 2 \times 571

How to work it out

1
A factor of 1142 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1142 ≈ 33.79; 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.
$1142 = 2 \times 571$
4
Add all the factors: 1 + 2 + 571 + 1142 = 1716. Without 1142 itself that is 574, so 1142 is a deficient number.

LaTeX source of the formulas on this page

\[ 1142 = 2 \times 571 \]

Factor	Pairs with	Product
1	1142	1 × 1142 = 1142
2	571	2 × 571 = 1142

What are the factors of 1142?

The factors of 1142 are 1, 2, 571, 1142. It has 4 factors.

What are the prime factors of 1142?

2, 571. As a product: 2 × 571.

How many factors does 1142 have?

1142 has 4 factors (2 factor pairs).

What is the sum of the factors of 1142?

1716.

Is 1142 a prime number?

No. It is divisible by 2, so 1142 = 2 × 571.