Respuesta :
A composite number is a positive integer which is not prime ; it has factors other than 1 and itself
A) 17 - prime
B) 21 - composite because factors of 21 = 1, 3 , 7 , 21
C) 29 - prime
D) 31 - prime
Answer
B) 21
A composite number is a positive integer which is not prime ; it has factors other than 1 and itself
A) 17 - prime
B) 21 - composite because factors of 21 = 1, 3 , 7 , 21
C) 29 - prime
D) 31 - prime
Answer
B) 21