Is 83 a prime number?
Yes, 83 is a prime number. Its only factors are 1 and 83.
Is 83 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 √83 ≈ 9.11. If none of them divides 83, it is prime.
- 3
None of them divides 83, so it is prime.
Testing 83 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 83 ÷ 2 | leaves 1 |
| 3 | 83 ÷ 3 | leaves 2 |
| 5 | 83 ÷ 5 | leaves 3 |
| 7 | 83 ÷ 7 | leaves 6 |
Questions
Is 83 a prime number?
Yes, 83 is a prime number. Its only factors are 1 and 83.
What is the next prime after 83?
89.
What is the prime number before 83?
79.
What are the factors of 83?
1, 83.