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7^8–7^7+7^6 is divisible by 43

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User Bwinton
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1 Answer

5 votes

We have


7^8-7^7+7^6=7^6(7^2-7+1)=7^6\cdot43

so
7^8-7^7+7^6 is a multiple of/divisible by 43.

answered
User Jerska
by
8.0k points

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