12 different numbers.
All of them. Different numbers have different numbers of factors.
Two, one and itself.
Four of them.
1,2,4,8,16, so 5
All numbers have factors.
Answer: 1125 km = 699.042 mi.
There are infinitely many composite numbers with infinitely many factors.
Four: 1 5 25 125.
2, 3, and 5 are the three different prime factors of 150.
Its factors are: 1, 2, 4 and 8 which makes four of them
8 numbers.
Four of them.