Is 1177 a prime number?
No, 1177 is not a prime number. It is divisible by 11: 1177 = 11 × 107.
Is 1177 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 √1177 ≈ 34.31. If none of them divides 1177, it is prime.
- 3
11 divides 1177 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1177 = 11 \times 107 \]
Testing 1177 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1177 ÷ 2 | leaves 1 |
| 3 | 1177 ÷ 3 | leaves 1 |
| 5 | 1177 ÷ 5 | leaves 2 |
| 7 | 1177 ÷ 7 | leaves 1 |
| 11 | 1177 ÷ 11 | divides exactly (107) |
| 13 | 1177 ÷ 13 | leaves 7 |
| 17 | 1177 ÷ 17 | leaves 4 |
| 19 | 1177 ÷ 19 | leaves 18 |
| 23 | 1177 ÷ 23 | leaves 4 |
| 29 | 1177 ÷ 29 | leaves 17 |
| 31 | 1177 ÷ 31 | leaves 30 |
Questions
Is 1177 a prime number?
No, 1177 is not a prime number. It is divisible by 11: 1177 = 11 × 107.
What is the next prime after 1177?
1181.
What is the prime number before 1177?
1171.
What are the factors of 1177?
1, 11, 107, 1177.