Factors of 247

The factors of 247 are 1, 13, 19, 247. It has 4 factors.

Factors of 247

Pick any whole number from 1 to 10,000.

247 = 13 \times 19

How to work it out

1
A factor of 247 is a whole number that divides it with nothing left over. You only need to test the numbers up to √247 ≈ 15.72; 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.
$247 = 13 \times 19$
4
Add all the factors: 1 + 13 + 19 + 247 = 280. Without 247 itself that is 33, so 247 is a deficient number.

LaTeX source of the formulas on this page

\[ 247 = 13 \times 19 \]

Factor	Pairs with	Product
1	247	1 × 247 = 247
13	19	13 × 19 = 247

What are the factors of 247?

The factors of 247 are 1, 13, 19, 247. It has 4 factors.

What are the prime factors of 247?

13, 19. As a product: 13 × 19.

How many factors does 247 have?

247 has 4 factors (2 factor pairs).

What is the sum of the factors of 247?

280.

Is 247 a prime number?

No. It is divisible by 13, so 247 = 13 × 19.