Nobody invented them, they are just names for numbers. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
There are no negative prime numbers.
15 prime numbers are between 0 and 50
100
One (1) and Zero (0) are NOT prime numbers.See the Related Question below for more information on prime numbers.
Composite numbers are divisible by prime numbers.
The prime numbers between 0 and 10 are 2, 3, 5, and 7.
Neither.
The only prime number from 2 to 0 is 2.
prime numbers between 0 -100 which are divisible by 7: 7
The prime numbers 0-20 are 2, 3, 5, 7, 11, 13, 17, and 19.
No.