Is 136 a prime number?
No, 136 is not a prime number. It is divisible by 2: 136 = 2 × 68.
Is 136 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 √136 ≈ 11.66. If none of them divides 136, it is prime.
- 3
2 divides 136 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 136 = 2^{3} \times 17 \]Testing 136 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 136 ÷ 2 | divides exactly (68) |
| 3 | 136 ÷ 3 | leaves 1 |
| 5 | 136 ÷ 5 | leaves 1 |
| 7 | 136 ÷ 7 | leaves 3 |
| 11 | 136 ÷ 11 | leaves 4 |
Questions
Is 136 a prime number?
No, 136 is not a prime number. It is divisible by 2: 136 = 2 × 68.
What is the next prime after 136?
137.
What is the prime number before 136?
131.
What are the factors of 136?
1, 2, 4, 8, 17, 34, 68, 136.