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Prove that 3^17−3^15+3^13 is divisible by 73.

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2 Answers

2 votes

Answer:

Well 3^17-3^15+3^13 equals 116,385,579

Now divide that by 73

So 116,385,579 ÷ 73

That equals 1,594,323

Hope this helps

User Stephen Wrighton
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4 votes

Answer: 3^13*73

Explanation:

3^17-3^15+3^13 So you factor out 3^13

=3^13(3^4-3^2+1)

3^4-3^2+1=73

3^13*73

User Zak Henry
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