Math, asked by prajanbant13052005, 1 year ago

What will be the remainder if the number 7^2015 is divided by 25?

Answers

Answered by illicitreader

hey here is your answer2.98 2 7 0 7 1 8 2 7 5 9 9 4 6 0 0 4 1 0 9 7 0 9 7 9 9 0 5 5e + 1701

Answered by praneethks

it is simple .
${7}^{2015} = 7. {7}^{2014} = 7. {49}^{1007} =$
$7 {(50 - 1)}^{1007}$ =>
7(50k-1) => 350k-7 => divide by 25 ,we get -7 but it can't be so remainder is 25-7=18. Hope it helps you....

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