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Which of the following numbers is prime? 1 2 4 9
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4 votes
Which of the following numbers is prime?

1
2
4
9

User AnujAroshA
by
7.3k points

2 Answers

4 votes
1 and 2 are prime numbers.
User Nas
by
6.0k points
2 votes
2 is prime because there are no other numbers you can multiply to get 2 other than 2 and itself 
User Folletto
by
7.2k points
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