Factors of 1098
The factors of 1098 are 1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098. It has 12 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1098 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1098 ≈ 33.14; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 12 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 2 + 3 + 6 + 9 + 18 + 61 + 122 + 183 + 366 + 549 + 1098 = 2418. Without 1098 itself that is 1320, so 1098 is an abundant number.
LaTeX source of the formulas on this page
\[ 1098 = 2 \times 3^{2} \times 61 \]Factor pairs of 1098
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1098 | 1 × 1098 = 1098 |
| 2 | 549 | 2 × 549 = 1098 |
| 3 | 366 | 3 × 366 = 1098 |
| 6 | 183 | 6 × 183 = 1098 |
| 9 | 122 | 9 × 122 = 1098 |
| 18 | 61 | 18 × 61 = 1098 |
Questions
What are the factors of 1098?
The factors of 1098 are 1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098. It has 12 factors.
What are the prime factors of 1098?
2, 3, 61. As a product: 2 × × 61.
How many factors does 1098 have?
1098 has 12 factors (6 factor pairs).
What is the sum of the factors of 1098?
2418.
Is 1098 a prime number?
No. It is divisible by 2, so 1098 = 2 × 549.