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Is 17^7 - 17 a multiple of 36, answer without calculating it?

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Is 17^7 - 17 a multiple of 36, answer without calculating it?
posted May 26, 2017 by anonymous

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3 Answers

+1 vote
 
Best answer

17^7 - 17 = 17*(17^3 - 1)*(17^3 + 1) = 17*4912*4914 = 17*1228*4*546*9 = 17*1228*546*36

answer May 30, 2017 by Sture Sjöstedt
+1 vote

17^7 - 17= 17(17^3 - 1)(17^3 + 1) = 17*4912*4914 = 17*2456*273*36

answer May 27, 2017 by anonymous
0 votes

Yes, cause I calculated.

I cheated, didn't I?

answer Jun 3, 2017 by anonymous



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