Is 103 a prime number?
Yes, 103 is a prime number. Its only factors are 1 and 103.
Is 103 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 √103 ≈ 10.15. If none of them divides 103, it is prime.
- 3
None of them divides 103, so it is prime.
Testing 103 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 103 ÷ 2 | leaves 1 |
| 3 | 103 ÷ 3 | leaves 1 |
| 5 | 103 ÷ 5 | leaves 3 |
| 7 | 103 ÷ 7 | leaves 5 |
Questions
Is 103 a prime number?
Yes, 103 is a prime number. Its only factors are 1 and 103.
What is the next prime after 103?
107.
What is the prime number before 103?
101.
What are the factors of 103?
1, 103.