Factors of 1920
The factors of 1920 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920. It has 32 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1920 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1920 ≈ 43.82; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 32 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 6120. Without 1920 itself that is 4200, so 1920 is an abundant number.
LaTeX source of the formulas on this page
\[ 1920 = 2^{7} \times 3 \times 5 \]Factor pairs of 1920
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1920 | 1 × 1920 = 1920 |
| 2 | 960 | 2 × 960 = 1920 |
| 3 | 640 | 3 × 640 = 1920 |
| 4 | 480 | 4 × 480 = 1920 |
| 5 | 384 | 5 × 384 = 1920 |
| 6 | 320 | 6 × 320 = 1920 |
| 8 | 240 | 8 × 240 = 1920 |
| 10 | 192 | 10 × 192 = 1920 |
| 12 | 160 | 12 × 160 = 1920 |
| 15 | 128 | 15 × 128 = 1920 |
| 16 | 120 | 16 × 120 = 1920 |
| 20 | 96 | 20 × 96 = 1920 |
| 24 | 80 | 24 × 80 = 1920 |
| 30 | 64 | 30 × 64 = 1920 |
| 32 | 60 | 32 × 60 = 1920 |
| 40 | 48 | 40 × 48 = 1920 |
Questions
What are the factors of 1920?
The factors of 1920 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920. It has 32 factors.
What are the prime factors of 1920?
2, 3, 5. As a product: × 3 × 5.
How many factors does 1920 have?
1920 has 32 factors (16 factor pairs).
What is the sum of the factors of 1920?
6120.
Is 1920 a prime number?
No. It is divisible by 2, so 1920 = 2 × 960.