For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...
April 11 is the 101st day of the year. Mathematician Christopher Caldwell explains some of the mathematical mysteries surrounding the number. For instance, 101 is a "cyclops prime" — a prime number ...
The online computer game “Is this prime?” tests a player’s knowledge of prime numbers—and just surpassed 2,999,999 attempts. Give it a whirl. The Greek mathematician Euclid may very well have proved, ...
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