Kai wrote the number 85 on the board. Is 85 prime or composite?

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asked Jun 4, 2017 178k views

5 votes

Kai wrote the number 85 on the board. Is 85 prime or composite?

Mathematics
middle-school

Ishwor Kafley asked

by Ishwor Kafley

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2 Answers

4 votes

Hello there!

85 is composite because its last digit is 5. Therefore, it is composite.

Hope it helps!

#HaveAnAmazingDay

GraceRosalia

Christopher Weiss answered Jun 5, 2017

by Christopher Weiss

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3 votes

Kai wrote a composite number because that number is 85.

Ericosg answered Jun 10, 2017

by Ericosg

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