A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique—the etchings, lines like tally marks, may have represented prime ...

Prime numbers, vital in mathematics and competitive exams, can be quickly identified using a systematic approach. This method involves checking divisibility by primes up to the square root of the ...

May 30 (UPI) --A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique - the etchings, lines like tally marks, may have ...

In 1998, Ask Ars was an early feature of the newly launched Ars Technica. Now, as then, it's all about your questions and our community's answers. We occasionally dig into our question bag, provide ...

A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

On Jan. 25, the largest known prime number, 2^57,885,161-1, was discovered on Great Internet Mersenne Prime Search (GIMPS) volunteer Curtis Cooper's computer. The new prime number, 2 ...

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 ...

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, ...

Using an arrangement of powerful computers running trillions of calculations every second, mathematicians have discovered the largest prime number yet. (In case you missed math class: A prime number ...