Meet the new largest known prime number. It starts with a 4, continues on for 23 million digits, then ends with a 1. As is true with all prime numbers, it can only be evenly divided by one and itself.

Mathematicians have unveiled a new record-breaking prime number: 2 74,207,281 – 1. It’s now the highest prime number ever discovered, eclipsing the previous record by 5 million. The prime’s discoverer ...

2. 3. 5. 7. 11. 13. 17. And so on. This is far from a comprehensive list of prime numbers—if we were to compile and write out an exhaustive list of all known prime numbers, this would be a truly ...

Maths fans can’t get enough of numbers that are millions of digits long and can only be divided by themselves and one. Now, through a collaborative effort, utilising computers distributed around the ...

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 ...