Here are all the 3 digit prime numbers, i.e. all prime numbers between 101-1,000.
100s
One Hundred Seventy-Three
200s
Two Hundred Seventy-Seven
300s
Three Hundred Thirty-Seven
Three Hundred Forty-Seven
Three Hundred Fifty-Three
Three Hundred Sixty-Seven
Three Hundred Seventy-Three
Three Hundred Seventy-Nine
Three Hundred Eighty-Three
Three Hundred Eighty-Nine
Three Hundred Ninety-Seven
400s
Four Hundred Thirty-Three
Four Hundred Seventy-Nine
Four Hundred Eighty-Seven
500s
Five Hundred Twenty-Three
Five Hundred Seventy-Seven
Five Hundred Eighty-Seven
Five Hundred Ninety-Three
600s
Six Hundred Seventy-Three
Six Hundred Seventy-Seven
700s
Seven Hundred Twenty-Seven
Seven Hundred Thirty-Three
Seven Hundred Thirty-Nine
Seven Hundred Forty-Three
Seven Hundred Fifty-Seven
Seven Hundred Seventy-Three
Seven Hundred Eighty-Seven
Seven Hundred Ninety-Seven
800s
Eight Hundred Twenty-Seven
Eight Hundred Twenty-Nine
Eight Hundred Thirty-Nine
Eight Hundred Fifty-Three
Eight Hundred Fifty-Seven
Eight Hundred Sixty-Three
Eight Hundred Seventy-Seven
Eight Hundred Eighty-Three
Eight Hundred Eighty-Seven
900s
Nine Hundred Thirty-Seven
Nine Hundred Seventy-Seven
Nine Hundred Eighty-Three
Nine Hundred Ninety-Seven
All in all, there are 143 prime numbers from 101-1,000. This means that 143/900 or around 1 in 6 numbers from 101-1,000 are prime. 757 numbers are composite.