Last digit of $3^{459}$.
360
Modular exponentiation by hand ($a^b\bmod c$)
32039
What are the trailing number of the zeroes in the given integer
67312
How to find the last digit of $3^{1000}$?
37873
Number of zero digits in factorials
73307
Why is the last digit of $n^5$ equal to the last digit of $n$?
132333
Fibonacci number that ends with 2014 zeros?
41571
Prove that in a sequence of numbers $49 , 4489 , 444889 , 44448889\ldots$
12760
The last 2 digits of $7^{7^{7^7}}$
126708
Finding the missing digits of $23!$
45240
Starting digits of $2^n$.
151179
Finding the value of $\sum k/3^k$
36514
Show that $45<x_{1000}<45.1$
139173
To find last two digits of $2^{100}$
134578
Convention of digit grouping after decimal point
107008
Find the remainder when $45!$ is divided by $47$?
28661
What will be the one's digit of the remainder in: $\left|5555^{2222} + 2222^{5555}\right|\div 7=?$
90300
Find the remainder when $10^{400}$ is divided by 199?