Factors of 1421

7, 29. As a product: 7^2 × 29.

The factors of 1421 are 1, 7, 29, 49, 203, 1421. It has 6 factors.

Factors of 1421

Pick any whole number from 1 to 10,000.

1421 = 7^{2} \times 29

How to work it out

1
A factor of 1421 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1421 ≈ 37.70; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1421 = 7^{2} \times 29$
4
Add all the factors: 1 + 7 + 29 + 49 + 203 + 1421 = 1710. Without 1421 itself that is 289, so 1421 is a deficient number.

LaTeX source of the formulas on this page

\[ 1421 = 7^{2} \times 29 \]

What are the factors of 1421?

The factors of 1421 are 1, 7, 29, 49, 203, 1421. It has 6 factors.

What are the prime factors of 1421?

7, 29. As a product: $7^{2}$ × 29.

How many factors does 1421 have?

1421 has 6 factors (3 factor pairs).

What is the sum of the factors of 1421?

1710.

Is 1421 a prime number?

No. It is divisible by 7, so 1421 = 7 × 203.