MathDB
last digit of 2017^{2017} - 2013^{2015} (HOMC 2015 J Q2)

Source:

August 6, 2019
number theoryDigit

Problem Statement

The last digit of number 20172017āˆ’201320152017^{2017} - 2013^{2015} is
(A): 22, (B): 44, (C): 66, (D): 88, (E): None of the above.
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