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Is 81 A Prime Or Composite Number?

Is 81 A Prime Or Composite Number?
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Is 81 A Prime Or Composite Number?

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User Ali Taha Ali Mahboub
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7.5k points

2 Answers

3 votes
81 one is a composite even numbers are prime numbers

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User Marcanuy
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7 votes
81 is a composite number. It is a positive number that is divisible by some other number other than 1 and itself. 81 can be divided by 9 (9 x 9 = 81). 
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User Kazhiu
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