# Prime and composite numbers

*Prime numbers. Composite numbers. Infinite set of prime numbers.*

All whole numbers (except 0 and 1) have minimum two factors: 1 and itself. Numbers, which aren’t divisible by any numbers except 1 and itself, are called
**
prime numbers.
**
Numbers, which have also other factors,
are called

**There is an infinite set of prime numbers. The set of them till 200 is:**

*composite numbers.*47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101,

103, 107, 109, 113, 127, 131, 137, 139, 149, 151,

157, 163, 167, 173, 179, 181, 191, 193, 197, 199.