alyona1450 1) 11, 13, 17,19, 23.
2) 53, 59 , 61, 67, 71, 73, 79.
3) 307,311,313,317.
4) 919,929,937, 941, 947, 953.

1) 7 < 11 < 27 
7 < 13 < 27
7 < 17 < 27
7 < 19 < 27
7 < 23 < 27

2) 50 < 53 < 83
50 < 59 < 83
 
И  т.д.