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Which number is prime? 4 , 9, 21 , 23
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21 votes
Which number is prime? 4 , 9, 21 , 23

User ShakibaZar
by
5.4k points

2 Answers

2 votes

Answer: 23

Explanation:

No two number can multiply into 23 besides 23 times 1

User Emprice
by
4.7k points
5 votes

answer:

23 is prime because it can only be divided by 1 and itself.

User Ughzan
by
5.0k points
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