multiples of 400: 400, 800, 1200, 1600, 2000, 2400, ...
11 is a prime number. Multiples of 11 greater than 11 are composite. Composite multiples of 11 in that range are 22, 33, 44, 55, 66 and just keep adding 11 till you get to 396.
143
288 236 242 250 258 266
Just 77.
5 and 6.
there are 9 multiples. they are 300,312,324,336,348,360,372,384,396.
multiples of 11 11,22,33,44,55,,66,77,88,99 multiples of 15 15,30,45,60,75,90
They are numbers of the form 4*k where k is an integer from 1 to 100.
400, 800, 1200 and so on to infinity.
400 800 1200 multiples of 4
Everything up to and including 20.