The largest prime, announced in the first week of February, 2013
257,885,161 - 1
Primes of the above form 2p
- 1, where p
itself is a prime are known as Mersenne primes
This largest prime has over
17 million digits
and is the 48th Mersenne prime.
The previous Mersenne prime was
243,112,609 - 1
This had under 13 million digits.
This information can be updated from the 'Net'.