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0 votes
Which of these numbers are prime?

a
1
b
9
c
13
d
33

User Eric Olmon
by
4.1k points

2 Answers

3 votes

Answer:

13 is prime

Explanation:

It has only 2 factors: 1 and itself.

I hope it helps! :)

User Edge
by
4.5k points
7 votes

Answer:

c 13

a prime number is a number that can only be divided by itself and 1

User Screenglow
by
4.5k points