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

Which number is prime? 4 , 9, 21 , 23
asked 183k views
21 votes
Which number is prime? 4 , 9, 21 , 23

asked
User ShakibaZar
by
8.9k points

2 Answers

2 votes

Answer: 23

Explanation:

No two number can multiply into 23 besides 23 times 1

answered
User Emprice
by
7.5k points
5 votes

answer:

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

answered
User Ughzan
by
8.2k points
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