Respuesta :

Answer:

2

Explanation:

A prime number is a number that has two factors, 1 and itself.

The factors of the numbers are given below:

• 2 = 1, 2

,

• 4 = 1, 2, 4

,

• 1 =1

,

• 9 =1, 3, 9

We conclude that 2 is a prime number.

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