Twelve factors.
By comparing the factors of 200 with the factors of another number and seeing which ones they have in common.
The factors of 200 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200.
Two.
180: it has 18 factors.
240
In that range, 180 has the most.
240
180 has 18 factors.
180, which has 18 factors.
A number between 50 and 200 is 125 Its prime factors are: 5, 5 and 5 or 53 = 125
If 245 is a factor, and it is between 200 and 300, then the number must be 245 - provided it is a multiple of 7, which it is.
255
280
Because they are divisible by the most numbers.
Twelve factors.
By comparing the factors of 200 with the factors of another number and seeing which ones they have in common.