Write a program that obtains the execution time for finding all the prime numbers less than $8,000,000,10,000,000,12,000,000,14,000,000,16,000,000$ and $18,000,000$ using the algorithms in Listings $22\mathrm{.}5-22\mathrm{.}7.$ Your program should print a table.

Try System.currentTimeMillis$()$