Fun with numbers

Number Theory Level pending

What is the unit's digit of (3127)^173 ?

1 7 9 0

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Nitish Shah
Sep 14, 2014

We can assume the exponent as (4n+1), where n is 43. For unit digit we will solve unit digit of the base number which 7^1, i.e, 7.

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...