2005 Cyprus Seniors TST/Day 1/Problem 4

Revision as of 14:14, 17 December 2006 by Leonariso (talk | contribs) (new)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

Prove that number 6 divides the product of every three consecutive integer numbers and then show that 240 divides the product $(5\nu+1)(5\nu+3)(5\nu+5)$, where $\nu$ is any odd number.

Solution


See also