Is 1342 a prime number?
No, 1342 is not a prime number. It is divisible by 2: 1342 = 2 × 671.
Is 1342 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 √1342 ≈ 36.63. If none of them divides 1342, it is prime.
- 3
2 divides 1342 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1342 = 2 \times 11 \times 61 \]
Testing 1342 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1342 ÷ 2 | divides exactly (671) |
| 3 | 1342 ÷ 3 | leaves 1 |
| 5 | 1342 ÷ 5 | leaves 2 |
| 7 | 1342 ÷ 7 | leaves 5 |
| 11 | 1342 ÷ 11 | divides exactly (122) |
| 13 | 1342 ÷ 13 | leaves 3 |
| 17 | 1342 ÷ 17 | leaves 16 |
| 19 | 1342 ÷ 19 | leaves 12 |
| 23 | 1342 ÷ 23 | leaves 8 |
| 29 | 1342 ÷ 29 | leaves 8 |
| 31 | 1342 ÷ 31 | leaves 9 |
Questions
Is 1342 a prime number?
No, 1342 is not a prime number. It is divisible by 2: 1342 = 2 × 671.
What is the next prime after 1342?
1361.
What is the prime number before 1342?
1327.
What are the factors of 1342?
1, 2, 11, 22, 61, 122, 671, 1342.