The number has now shot up to 2 multiplied by itself 57,885,161 times minus 1, breaking a four-year dry spell in the search for new, ever-larger primes.
The government has decided to give preference to open source software.
A computer has helped scientists discover the largest prime number ever with over 22 million digits, breaking the previous record by approximately 5 million digits.
'This slender yet joyous film introduces so many fresh insanities and has such an endless stream of wisecracking that it takes on shades of a running ballad,' notes Sreehari Nair.