What-is-the-digital-root-of-3-2017-

Question Number 19389 by tawa tawa last updated on 10/Aug/17

What is the digital root of 3^{2017}

Answered by allizzwell23 last updated on 10/Aug/17

1 \times 9 = 9

2 \times 9 = 18 = 1 + 8 = 9

3 \times 9 = 27 = 2 + 7 = 9

\dots \dots \dots \dots .

3^{2017} = 3^{2015} \times 9 = 9

Hence, the digital root is 9

Commented by tawa tawa last updated on 10/Aug/17

God bless you sir .