Choose the set that consists of only prime numbers.

A
2, 4, 8, 12

B
13, 15, 17, 19

C
2, 5, 23, 29

D
3, 17, 29, 81

The answer is C because 2, 5, 23, and 29 are prime numbers (you can also look up a chart and highlighted numbers are prime). prime numbers is a whole number greater than 1 and cannot be formed when multiplying two smaller numbers that are whole. it must involve itself in a multiplication equation.

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