Is 1442 a prime number?
No, 1442 is not a prime number. It is divisible by 2: 1442 = 2 × 721.
Is 1442 prime?
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A prime number has exactly two factors: 1 and itself.
- 2
It is enough to test the primes up to √1442 ≈ 37.97. If none of them divides 1442, it is prime.
- 3
2 divides 1442 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1442 = 2 \times 7 \times 103 \]
Testing 1442 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1442 ÷ 2 | divides exactly (721) |
| 3 | 1442 ÷ 3 | leaves 2 |
| 5 | 1442 ÷ 5 | leaves 2 |
| 7 | 1442 ÷ 7 | divides exactly (206) |
| 11 | 1442 ÷ 11 | leaves 1 |
| 13 | 1442 ÷ 13 | leaves 12 |
| 17 | 1442 ÷ 17 | leaves 14 |
| 19 | 1442 ÷ 19 | leaves 17 |
| 23 | 1442 ÷ 23 | leaves 16 |
| 29 | 1442 ÷ 29 | leaves 21 |
| 31 | 1442 ÷ 31 | leaves 16 |
| 37 | 1442 ÷ 37 | leaves 36 |
Questions
Is 1442 a prime number?
No, 1442 is not a prime number. It is divisible by 2: 1442 = 2 × 721.
What is the next prime after 1442?
1447.
What is the prime number before 1442?
1439.
What are the factors of 1442?
1, 2, 7, 14, 103, 206, 721, 1442.