Factors of 478

The factors of 478 are 1, 2, 239, 478. It has 4 factors.

Factors of 478

Pick any whole number from 1 to 10,000.

478 = 2 \times 239

How to work it out

1
A factor of 478 is a whole number that divides it with nothing left over. You only need to test the numbers up to √478 ≈ 21.86; 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.
$478 = 2 \times 239$
4
Add all the factors: 1 + 2 + 239 + 478 = 720. Without 478 itself that is 242, so 478 is a deficient number.

LaTeX source of the formulas on this page

\[ 478 = 2 \times 239 \]

Factor	Pairs with	Product
1	478	1 × 478 = 478
2	239	2 × 239 = 478

What are the factors of 478?

The factors of 478 are 1, 2, 239, 478. It has 4 factors.

What are the prime factors of 478?

2, 239. As a product: 2 × 239.

How many factors does 478 have?

478 has 4 factors (2 factor pairs).

What is the sum of the factors of 478?

720.

Is 478 a prime number?

No. It is divisible by 2, so 478 = 2 × 239.