Factors of 147

The factors of 147 are 1, 3, 7, 21, 49, 147. It has 6 factors.

Factors of 147

Pick any whole number from 1 to 10,000.

147 = 3 \times 7^{2}

How to work it out

1
A factor of 147 is a whole number that divides it with nothing left over. You only need to test the numbers up to √147 ≈ 12.12; 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.
$147 = 3 \times 7^{2}$
4
Add all the factors: 1 + 3 + 7 + 21 + 49 + 147 = 228. Without 147 itself that is 81, so 147 is a deficient number.

LaTeX source of the formulas on this page

\[ 147 = 3 \times 7^{2} \]

What are the factors of 147?

The factors of 147 are 1, 3, 7, 21, 49, 147. It has 6 factors.

What are the prime factors of 147?

3, 7. As a product: 3 × $7^{2}$ .

How many factors does 147 have?

147 has 6 factors (3 factor pairs).

What is the sum of the factors of 147?

228.

Is 147 a prime number?

No. It is divisible by 3, so 147 = 3 × 49.