Respuesta :

c.7
7's only factors a 1 and 7
⚫️ Explanation ⚫️

We know that a prime number is a whole number that is greater than 1, having 
only two whole-number factors that are 1 and itself. 

Number 7 (Letter C) is the prime number.

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia