Factors of 1684

2, 421. As a product: 2^2 × 421.

The factors of 1684 are 1, 2, 4, 421, 842, 1684. It has 6 factors.

Factors of 1684

Pick any whole number from 1 to 10,000.

1684 = 2^{2} \times 421

How to work it out

1
A factor of 1684 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1684 ≈ 41.04; 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.
$1684 = 2^{2} \times 421$
4
Add all the factors: 1 + 2 + 4 + 421 + 842 + 1684 = 2954. Without 1684 itself that is 1270, so 1684 is a deficient number.

LaTeX source of the formulas on this page

\[ 1684 = 2^{2} \times 421 \]

What are the factors of 1684?

The factors of 1684 are 1, 2, 4, 421, 842, 1684. It has 6 factors.

What are the prime factors of 1684?

2, 421. As a product: $2^{2}$ × 421.

How many factors does 1684 have?

1684 has 6 factors (3 factor pairs).

What is the sum of the factors of 1684?

2954.

Is 1684 a prime number?

No. It is divisible by 2, so 1684 = 2 × 842.