N is the product of all the prime numbers less than 100.

Determine the last three digits of N.

*** For an extra challenge, solve this puzzle without the aid of a computer program.

(In reply to A child of 5 could do it.. by broll)

A child of 5 could do it only with Father's .  guidance.

I looped  an excel  command    res= mod ( prevres*p(i),1000   ) and got the resul 070  in no time.

Posted by Ady TZIDON on 2011-10-19 12:13:37