Is 50 a prime number?
No, 50 is not a prime number. It is divisible by 2: 50 = 2 × 25.
Is 50 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 √50 ≈ 7.07. If none of them divides 50, it is prime.
- 3
2 divides 50 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 50 = 2 \times 5^{2} \]Testing 50 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 50 ÷ 2 | divides exactly (25) |
| 3 | 50 ÷ 3 | leaves 2 |
| 5 | 50 ÷ 5 | divides exactly (10) |
| 7 | 50 ÷ 7 | leaves 1 |
Questions
Is 50 a prime number?
No, 50 is not a prime number. It is divisible by 2: 50 = 2 × 25.
What is the next prime after 50?
53.
What is the prime number before 50?
47.
What are the factors of 50?
1, 2, 5, 10, 25, 50.