A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed ...

So, if p is a prime number then its only factors will be 1 and p itself. 4: It can be formed by multiplying 2 x 2, so it's a composite number (not prime). 9: It can be factored as 3 x 3 ...

a clay tablet from 1800 B.C.E. inscribed with Babylonian numbers describes a number system built on prime numbers. Advertisement Article continues below this ad As the Ishango bone, the Plimpton ...

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 throughout ...

One of my favorite anecdotes about prime numbers concerns Alexander Grothendieck, who was among the most brilliant mathematicians of the 20th century. According to one account, he was once asked ...

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 throughout ...

a clay tablet from 1800 B.C.E. inscribed with Babylonian numbers describes a number system built on prime numbers. Informally, a positive counting number larger than one is prime if that number of ...