At more than 23m digits long, the number is something of a beast. But for mathematicians, the latest discovery from a global gang of enthusiasts is a thing of beauty: the largest prime number ever found.
Known simply as M77232917, the figure is arrived at by calculating two to the power of 77,232,917 and subtracting one, leaving a gargantuan string of 23,249,425 digits.
This year 2018 is coldest not 2017.Move to new yearNASA's thermal sensors are all faulty and needs to be replaced, this year is very cold, I hv never experienced 6 degree(generally stays 12- 14 lowest) here but this year it happened