Factors of 98

The factors of 98 are 1, 2, 7, 14, 49, 98. It has 6 factors.

Factors of 98

Pick any whole number from 1 to 10,000.

98 = 2 \times 7^{2}

How to work it out

1
A factor of 98 is a whole number that divides it with nothing left over. You only need to test the numbers up to √98 ≈ 9.90; 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.
$98 = 2 \times 7^{2}$
4
Add all the factors: 1 + 2 + 7 + 14 + 49 + 98 = 171. Without 98 itself that is 73, so 98 is a deficient number.

LaTeX source of the formulas on this page

\[ 98 = 2 \times 7^{2} \]

What are the factors of 98?

The factors of 98 are 1, 2, 7, 14, 49, 98. It has 6 factors.

What are the prime factors of 98?

2, 7. As a product: 2 × $7^{2}$ .

How many factors does 98 have?

98 has 6 factors (3 factor pairs).

What is the sum of the factors of 98?

171.

Is 98 a prime number?

No. It is divisible by 2, so 98 = 2 × 49.