The numbers 2 and 7 are factors of 42. Which statement is true?
 A. 
 The number 42 is neither a multiple of 2 or 7.
 B. 
 The number 42 is a multiple of 7 but not 2.
 C. 
 The number 42 is a multiple of both 2 and 7.
 D. 
 The number 42 is a multiple of 2 but not 7.