The book is now available! 7
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


7 is the smallest prime number that is equal to the product minus the sum of twin primes, i.e., 3*5 - (3+5) = 7. [Teofilatto]


  Submitted: 2004-07-04 06:24:46;   Last Modified: 2009-01-18 15:01:12.

Prime Curios! © 2000-2018 (all rights reserved)