Is 270 a prime number?
No, 270 is not a prime number. It is divisible by 2: 270 = 2 × 135.
Is 270 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 √270 ≈ 16.43. If none of them divides 270, it is prime.
- 3
2 divides 270 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 270 = 2 \times 3^{3} \times 5 \]Testing 270 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 270 ÷ 2 | divides exactly (135) |
| 3 | 270 ÷ 3 | divides exactly (90) |
| 5 | 270 ÷ 5 | divides exactly (54) |
| 7 | 270 ÷ 7 | leaves 4 |
| 11 | 270 ÷ 11 | leaves 6 |
| 13 | 270 ÷ 13 | leaves 10 |
Questions
Is 270 a prime number?
No, 270 is not a prime number. It is divisible by 2: 270 = 2 × 135.
What is the next prime after 270?
271.
What is the prime number before 270?
269.
What are the factors of 270?
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270.