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Today, people use complex computing networks to search for prime numbers with millions of digits. But early mathematicians ...
Prime numbers have captivated mathematicians for thousands of years—and now cloud computing is helping them chase ... 12 is not prime since you can use 12 dots to make an array of 3 by 4 ...
For example, 11 is a prime number since 11 dots form only rectangular arrays of sizes 1 by 11 and 11 by 1. Conversely, 12 is not prime since you can use 12 dots to make an array of 3 by 4 dots ...