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(Iain Armitage from Young Sheldonpresents the clue.) All positive integers are either composite, with factors other than themselves & 1, or they're this kind, the rock star of numbers |
prime numbers
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$800 |
DJ |
MATH VOCAB |
2018-10-23 |
#7847 |
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Euclid came up with the first proof that there are an infinite number of these integers with only 2 positive divisors |
prime numbers
|
$800 |
DJ |
GIMME SOME MATH! |
2014-07-30 |
#6893 |
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A 2013 paper on "twin" these numbers shows there are infinitely many pairs of them no more than 70,000,000 apart |
prime numbers
|
$800 |
J |
MATH APPEAL |
2013-10-24 |
#6694 |
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It's been thought but not proved that there's an infinite supply of twin these, parts of them that differ by 2 |
prime numbers
|
$2,000 |
DJ |
MATHEMATICS |
2003-06-20 |
#4345 |
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It's the term for integers greater than 1 that have only 1 & themselves as factors |
prime numbers
|
$600 |
DJ |
MATHEMATICS |
1991-12-05 |
#1674 |
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2, 3, 5, 7, 11, & 19, for example, but not 4, 9, or 21 |
prime numbers
|
$500 |
J |
EASY MATH |
1987-07-14 |
#677 |