12,978,189 digits

2 new primes!

The two new Mersenne primes are:

M45: ---
M46:

On** August 23rd**, a UCLA computer discovered the 45th known Mersenne
prime, 2^43,112,609-1, a mammoth 12,978,189 digit number! The prime
number qualifies for the Electronic Frontier Foundation's $100,000
award for discovery of the first 10 million digit prime number. Congratulations
to Edson Smith, who was responsible for installing and maintaining
the GIMPS software on the UCLA Mathematics Department's computers.

On **September 6th**, the 46th known Mersenne prime, 2^37,156,667-1,
a 11,185,272 digit number was found by Hans-Michael Elvenich in Langenfeld
near Cologne, Germany! This was the first Mersenne prime to be discovered
out of order since Colquitt and Welsh discovered 2^110,503-1 in 1988.

Congratulations to all GIMPS members for their part in making this
happen!!

You can read all about their discovery at **Mersenne**