prime number

5 Stories

Man Being Hailed as Real 'Good Will Hunting'

Yu Jianchun has come up with alternate method of verifying Carmichael numbers

(Newser) - Yu Jianchun has never seen Good Will Hunting, and maybe he doesn't need to. CNN reports the 33-year-old Chinese migrant worker is living part of its plot. Yu attended a vocational school rather than college, and he's never taken advanced math—"I barely have any knowledge about... More »

Prime Numbers Just Got a Little Stranger

They repeat in patterns that aren't as random as thought

(Newser) - Two Stanford mathematicians have managed to surprise others in their field with a previously undiscovered insight about prime numbers: They're not as random as believed. Or, more precisely, there seems to be some order in the way one prime number follows another, reports Quanta Magazine . Start with the basics:... More »

Behold the Biggest Prime Number Ever—All 22M Digits

It was discovered on a computer that went in for routine maintenance

(Newser) - The longest prime number ever found has been discovered by a computer in Missouri, and it's a doozy: 274,207,281–1 has 22,338,618 digits, the Guardian reports. The number also known as M74207281 was found by a computer tied to the Great Internet Mersenne Prime Search... More »

Mathematicians Make Leap in Solving Age-Old Proof

Theory on infinite pairs of 'twin primes' closer to resolution

(Newser) - If you're the type to get into bar bets about prime numbers, we have exciting news. Mathematicians have taken a big step toward solving one of the oldest math problems on record, one involving "twin primes," reports Nature . The upshot is that they're closer to stating... More »

Big Discovery: Largest Prime Number

Newest Mersenne 'like finding a diamond'

(Newser) - The Great Internet Mersenne Prime Search just paid dividends in the hunt for ever-bigger prime numbers, the New Scientist reports. University of Central Missouri mathematician Curtis Cooper has discovered the biggest prime number yet, a 17 million-digit behemoth, as part of GIMPS. The project uses a huge network of volunteer... More »

5 Stories