There are 21 two-digit prime numbers.
There are 17 such numbers.
24 of them.
1. being 5. any other number ending in a 5 is divisable by 5
45
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.
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.
24 of them.
Ten.
300
1. being 5. any other number ending in a 5 is divisable by 5
4: 2, 3, 5 and 7. 1 is not a prime.
90
none