Mathematicians celebrate the new year with the recent discovery of the largest prime. It has 23,249,425 digits, which is 910,807 digits more than than the previously known largest prime.
“If every second you were to write five digits to an inch then 54 days later you’d have a number stretching over 73 miles (118 km) — almost 3 miles (5 km) longer than the previous record prime.”
On December 26th 2017, Jonathan Pace, a GIMPS volunteer for 14 years, discovered the 50th Mersenne prime, which is also the largest prime known to mankind:
It is also known as M77232917.