what a number!!

Level pending

i am the smallest 3-digit prime number such that when i am reversed my digits form a G.P. and the product of the digits of the number required is next member of the G.P. formed (after reversing the digits) find the number

note: let 1,2,3 be in G.P. then the number would be 321 please don't compare it with the given condition its just an example .


The answer is 421.

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1 solution

Rishabh Jain
Feb 5, 2014

1,2,4 are in GP therefore the required prime number is 421

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