A number theory problem by yatish garg

Number Theory Level pending

Find the last 3 digits of 7 9999 7^{9999} .


The answer is 143.

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1 solution

Yatish Garg
Jul 16, 2017

as an when we are going to solve this problem till . 7 raised to power 12 then automatically we would arrive to our solution as a sequence will be followed for the last 3 digits .as AP then we can easily solve it.and the last 2 digits will also repeat at every 5th power. for any query call me at 8146877611.

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