Is 1188 a prime number?
No, 1188 is not a prime number. It is divisible by 2: 1188 = 2 × 594.
Is 1188 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 √1188 ≈ 34.47. If none of them divides 1188, it is prime.
- 3
2 divides 1188 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1188 = 2^{2} \times 3^{3} \times 11 \]Testing 1188 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1188 ÷ 2 | divides exactly (594) |
| 3 | 1188 ÷ 3 | divides exactly (396) |
| 5 | 1188 ÷ 5 | leaves 3 |
| 7 | 1188 ÷ 7 | leaves 5 |
| 11 | 1188 ÷ 11 | divides exactly (108) |
| 13 | 1188 ÷ 13 | leaves 5 |
| 17 | 1188 ÷ 17 | leaves 15 |
| 19 | 1188 ÷ 19 | leaves 10 |
| 23 | 1188 ÷ 23 | leaves 15 |
| 29 | 1188 ÷ 29 | leaves 28 |
| 31 | 1188 ÷ 31 | leaves 10 |
Questions
Is 1188 a prime number?
No, 1188 is not a prime number. It is divisible by 2: 1188 = 2 × 594.
What is the next prime after 1188?
1193.
What is the prime number before 1188?
1187.
What are the factors of 1188?
1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188.