From 1 to 100 there are 100 integers, but an infinite number of real numbers.
25 numbers are between 1-100.
There are 25 prime numbers between 1 and 100.
Including 1 and 100: 75 (73 if the range does not include 1 and 100.)
There are 25 primes in 1-100.
Not including 1 and 100, 99
All of them.
there are 98
101
There are 10 square numbers
25 of them.
2,704,156
33 numbers.