25=5*5
30=2*3*5
39=3*13
78=2*3*13
35=5*7
91=7*13
212=2*2*53
148=2*2*37
259=7*37
25 и 39; 25 и 78, 25 и 91, 25 и 212,25 и 148, 25 и 259, 30 и 91, 30 и 259, 39 и 35, 39 и 212, 39 и 148, 39 и 259, 78 и 35, 78 и 259, 35 и 212, 35 и 148, 91 и 212, 91 и 148, 212 и 259
