Is 109 a prime number?
Yes, 109 is a prime number. Its only factors are 1 and 109.
Is 109 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 √109 ≈ 10.44. If none of them divides 109, it is prime.
- 3
None of them divides 109, so it is prime.
Testing 109 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 109 ÷ 2 | leaves 1 |
| 3 | 109 ÷ 3 | leaves 1 |
| 5 | 109 ÷ 5 | leaves 4 |
| 7 | 109 ÷ 7 | leaves 4 |
Questions
Is 109 a prime number?
Yes, 109 is a prime number. Its only factors are 1 and 109.
What is the next prime after 109?
113.
What is the prime number before 109?
107.
What are the factors of 109?
1, 109.