Is 177 a prime number?
No, 177 is not a prime number. It is divisible by 3: 177 = 3 × 59.
Is 177 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 √177 ≈ 13.30. If none of them divides 177, it is prime.
- 3
3 divides 177 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 177 = 3 \times 59 \]
Testing 177 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 177 ÷ 2 | leaves 1 |
| 3 | 177 ÷ 3 | divides exactly (59) |
| 5 | 177 ÷ 5 | leaves 2 |
| 7 | 177 ÷ 7 | leaves 2 |
| 11 | 177 ÷ 11 | leaves 1 |
| 13 | 177 ÷ 13 | leaves 8 |
Questions
Is 177 a prime number?
No, 177 is not a prime number. It is divisible by 3: 177 = 3 × 59.
What is the next prime after 177?
179.
What is the prime number before 177?
173.
What are the factors of 177?
1, 3, 59, 177.