Only one positive Prime number has a 5 in the ones digit. That prime number is 5. All other numbers with a 5 in the ones digit are composite because they will be divisible by 5.
17, 37, 47, 67, 97
Ten.
There are 21 two-digit prime numbers. The first two-digit prime number is 11, and the last two-digit prime number is 97. Prime numbers are numbers greater than 1 that are only divisible by 1 and themselves.
149 of them.
13, 23, 43, 53, 73 & 83
There are 21 two-digit prime numbers.
There are 17 such numbers.
17, 37, 47, 67, 97
An on-line prime number chart ended at 10007. There are many more charts available for download. So the answer is that there are many five digit prime numbers.
90
24 of them.
Ten.
90
There are 21 two-digit prime numbers. The first two-digit prime number is 11, and the last two-digit prime number is 97. Prime numbers are numbers greater than 1 that are only divisible by 1 and themselves.
149 of them.
4,000 even numbers, 4,000 odd numbers.
There are 294 such numbers.