The largest prime less than 20 is 19. The largest prime over 60 is 61. The sum of these two numbers is 80.
80
The largest Mersenne prime less than 200 is 127.
The largest prime number less than 50 is 47.
The lowest prime number that is less than 37 is 29.
97 is the largest prime number less than one hundred.
80
9797 is the largest prime number less than 100.
67 will be the largest prime number less than 70.
The largest Mersenne prime less than 200 is 127.
The largest prime number less than 1000 is 997.The largest prime number no less than 1000 is currently 257,885,161-1
The sum of the two largest prime numbers less than 71 is 128.
The lowest prime number that is less than 37 is 29.
The largest prime number less than 50 is 47.
The answer to "why" is: It's not. 307, 311, and 313 are prime numbers, and there arean infinite number more that are bigger than those.If your question was intended to be "What is the largest . . .", then the answer to that is 293 .
23
31.
9