If n!n!n! has 121212 trailing zeros, what can we conclude about nnn?
50≤n<5550 \leq n < 5550≤n<55
55≤n<6055 \leq n < 6055≤n<60
45≤n<5045 \leq n < 5045≤n<50
60≤n<6560 \leq n < 6560≤n<65