Respuesta :
29, and 31 because they can only be made by the factors of 1 and themselves.
hopes this helps :) :D :)
hopes this helps :) :D :)
25=5times5
26= 13 times 2
27= 3 times 9
28= 7 timnes 4
29 is prime
30 =5times 6
31is prime
26= 13 times 2
27= 3 times 9
28= 7 timnes 4
29 is prime
30 =5times 6
31is prime