Is 2 a prime number?
Yes, 2 is a prime number. Its only factors are 1 and 2.
Is 2 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 ā2 ā 1.41. If none of them divides 2, it is prime.
- 3
None of them divides 2, so it is prime.
Questions
Is 2 a prime number?
Yes, 2 is a prime number. Its only factors are 1 and 2.
What is the next prime after 2?
3.
What are the factors of 2?
1, 2.