How many prime numbers are between 1 and 30?

Answer 1

There are 10 prime numbers between 1 and 30. They are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29

Odd numbers between 1 and 30 that are not prime numbers are 9, 15, 21, 25, and 27

1 is also not a Prime number, as 1 can multiply itself infinity times (1∞=1)

Answer 2

There is no formula for figuring out prime number, but basically prime number is a number that can be divided only by itself or 1.

Between 1 and 30, there are 10 prime numbers. They are:

2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.