We all think we remember prime numbers from grade school, but just in case your memory is a little hazy, here's a quick refresher. A prime is a number that can only be divided by two other whole ...

Would you like to be a millionaire? There are several ways to fulfill this dream. For two decades the U.S. edition of Who Wants to Be a Millionaire? promised a million dollars if you could answer 15 ...

You probably remember prime numbers from school. They’re numbers like 2, 3 and 17, which are only divisible by themselves and one. But the prime numbers you learned in school are puny compared to the ...

Do periodical cicadas "know" how to calculate prime numbers? Do periodical cicadas "know" how to calculate prime numbers? One of the strangest life cycles in all of biology, explained!

A new highest known prime number has been calculated, clocking in at nearly 5 million digits more than the previous record holder. Michelle Starr Science editor Michelle Starr is CNET's science editor ...