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April 26, 2015

Homework Help: math

Posted by anonymous1 on Wednesday, September 1, 2010 at 8:54am.

Two consecutive odd primes, such as 11 and 13, are called a pair of "twin primes" how many pairs of twin primes are there between 15 and 45?

F-2
G-3
H-4
J-5
K-7

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