If you do this with all numbers from 2 to 100, only prime numbers will remain. Sieving multiples of 2, 3, 5 and 7 leaves only the primes between 1 and 100. Courtesy of M.H. Weissman. With eight ...

Prime numbers can be sorted into different types. In 1202, Leonardo Fibonacci introduced in his book “Liber Abaci: Book of Calculation” prime numbers of the form (2 p – 1) where p is also prime.

For centuries, prime numbers have captured the imaginations of mathematicians, who continue to search for new patterns that help identify them and the way they’re distributed among other numbers.

Mrs. Post and her kids, Hayden and Hallie, play a curveball game to review what prime and composite numbers are. Rise and Shine is available to stream on pbs.org and the free PBS App, available on ...

Similarly, a clay tablet from 1800 B.C.E. inscribed with Babylonian numbers describes a number system built on prime numbers. As the Ishango bone, the Plimpton 322 tablet and other artifacts ...

Numbers like 2, 3, 5, 7, and 11 are all prime numbers. What fewer people know is why these numbers are so important, and how the mathematical logic behind them has resulted in vital applications ...

A prime with 41 million digits won’t immediately join the ranks of useful numbers, but for now it adds a feather in the cap of a community that longs to apprehend the colossal. On supporting ...