Is 502 a prime number?
No, 502 is not a prime number. It is divisible by 2: 502 = 2 × 251.
Is 502 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 √502 ≈ 22.41. If none of them divides 502, it is prime.
- 3
2 divides 502 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 502 = 2 \times 251 \]
Testing 502 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 502 ÷ 2 | divides exactly (251) |
| 3 | 502 ÷ 3 | leaves 1 |
| 5 | 502 ÷ 5 | leaves 2 |
| 7 | 502 ÷ 7 | leaves 5 |
| 11 | 502 ÷ 11 | leaves 7 |
| 13 | 502 ÷ 13 | leaves 8 |
| 17 | 502 ÷ 17 | leaves 9 |
| 19 | 502 ÷ 19 | leaves 8 |
Questions
Is 502 a prime number?
No, 502 is not a prime number. It is divisible by 2: 502 = 2 × 251.
What is the next prime after 502?
503.
What is the prime number before 502?
499.
What are the factors of 502?
1, 2, 251, 502.