2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59
61 67.
There are 25 prime numbers less than 100
There are 35 prime numbers less than 150.
The prime numbers less then 86 are; 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79 and 83.
There are 46 prime numbers less than 200.
There are 6 prime numbers between 31 and 60, or 7 if 31 is included.
There are no negative prime numbers.
There are 15 prime numbers less than 50
There are 48 prime numbers less than 220.
There are 27 prime numbers less than 102.
They are 239 prime numbers less than 1500.
No, sixty four (64) is a composite number (not a prime number) because it can be written as a product of numbers, specifically 8*8 (or 2^6).