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Suppose that a 30-digit integer N is composed of thirteen 7s and seventeen 3s. What is the remainder when N is divided by 36?

 Dec 7, 2019
 #2
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(777777777777733333333333333333) mod 36 = 25

 Dec 7, 2019
 #4
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Maybe the digits are not in that order......

Melody  Dec 7, 2019
 #3
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merci merci merci!!!!

 Dec 7, 2019

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