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.
notice that last digit of 41 is 1. so, any number power 41 will have 1 as last digit.
for second last digit, it is simply the last digit of X(n) = 4*n, where n is the power, since 41 will be multiplied by 1 after each step of multiplication and previous second digit will be added by 4. so for 41^17, X(17) = 68... the second last digit is last digit of 68 which is 8.
this concludes the answer of second last digit is 8 and last digit is 1.
the answer is 81.
4 1 1 7 ( m o d 1 0 0 ) ≡ ( 4 0 + 1 ) 1 7 ( m o d 1 0 0 ) ≡ ( 4 0 1 7 + … + 1 3 6 × 1 6 0 0 + 1 7 × 4 0 + 1 ) ( m o d 1 0 0 ) ≡ 2 8 1 ( m o d 1 0 0 ) ≡ 8 1 .
Problem Loading...
Note Loading...
Set Loading...
4 1 5 ≡ 1 ( m o d 1 0 0 )
4 1 1 7 = ( 4 1 5 ) 3 ⋅ 4 1 2 ≡ 8 1 ( m o d 1 0 0 )