Factors of 1224
The factors of 1224 are 1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224. It has 24 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1224 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1224 ≈ 34.99; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 24 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 3510. Without 1224 itself that is 2286, so 1224 is an abundant number.
LaTeX source of the formulas on this page
\[ 1224 = 2^{3} \times 3^{2} \times 17 \]Factor pairs of 1224
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1224 | 1 × 1224 = 1224 |
| 2 | 612 | 2 × 612 = 1224 |
| 3 | 408 | 3 × 408 = 1224 |
| 4 | 306 | 4 × 306 = 1224 |
| 6 | 204 | 6 × 204 = 1224 |
| 8 | 153 | 8 × 153 = 1224 |
| 9 | 136 | 9 × 136 = 1224 |
| 12 | 102 | 12 × 102 = 1224 |
| 17 | 72 | 17 × 72 = 1224 |
| 18 | 68 | 18 × 68 = 1224 |
| 24 | 51 | 24 × 51 = 1224 |
| 34 | 36 | 34 × 36 = 1224 |
Questions
What are the factors of 1224?
The factors of 1224 are 1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224. It has 24 factors.
What are the prime factors of 1224?
2, 3, 17. As a product: × × 17.
How many factors does 1224 have?
1224 has 24 factors (12 factor pairs).
What is the sum of the factors of 1224?
3510.
Is 1224 a prime number?
No. It is divisible by 2, so 1224 = 2 × 612.