Find the three positive integers puzzle


Find the three positive integers a, b, c where a < b < c, which satisfy:

a*b*c + a*b + b*c + c*a + a + b + c = 2013

Problem Page Coordinator: Stephen Lee CMath MIMA
Mathematics in Education and Industry
Acknowledgement: The IMA are indebted to MEI for sourcing and supplying Mathematics Today with these well-known puzzles.
First published in Mathematics Today (December 2014)
Published