Factors of 1121

The factors of 1121 are 1, 19, 59, 1121. It has 4 factors.

Factors of 1121

Pick any whole number from 1 to 10,000.

1121 = 19 \times 59

How to work it out

1
A factor of 1121 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1121 ≈ 33.48; 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.
$1121 = 19 \times 59$
4
Add all the factors: 1 + 19 + 59 + 1121 = 1200. Without 1121 itself that is 79, so 1121 is a deficient number.

LaTeX source of the formulas on this page

\[ 1121 = 19 \times 59 \]

Factor	Pairs with	Product
1	1121	1 × 1121 = 1121
19	59	19 × 59 = 1121

What are the factors of 1121?

The factors of 1121 are 1, 19, 59, 1121. It has 4 factors.

What are the prime factors of 1121?

19, 59. As a product: 19 × 59.

How many factors does 1121 have?

1121 has 4 factors (2 factor pairs).

What is the sum of the factors of 1121?

1200.

Is 1121 a prime number?

No. It is divisible by 19, so 1121 = 19 × 59.