The primes from 500 to 599 are 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599. Therefore, there are 14 primes in the 500's.

1. Which century out of the centuries 500-599, 600-699, ..., 1400-1499 has the most primes?
2. Which century has the least primes?
3. Which century out of the 500's, 600's, ..., 1400's takes the shortest to get to the second prime in the century?
4. Which century takes the longest to get to the second prime?
5. What story involving 2 animals is this an example of?