LOS ANGELES (AP) — Mathematicians at UCLA have discovered a 13-million-digit prime number, a long-sought milestone that makes them eligible for a $100,000 prize....
Mersenne primes — named for their discoverer, 17th century French mathematician Marin Mersenne — are expressed as 2P-1, or two to the power of "P'' minus one. P is itself a prime number. For the new prime, P is 43,112,609.
[From Mobile News Network]
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