50 of them if you count 300.
between 1 and 600 inclusive there are:300 numbers divisible by 2200 numbers divisible by 3100 numbers divisible by both 2 and 3400 numbers divisible by 2 or 3.
20 of them.
150 ÷ 9 = 16 r 6 → the first natural number between 150 and 300 divisible by 9 is 9 × 17 (=154)300 ÷ 9 = 33 r 3 → the last natural number between 150 and 300 divisible by 9 is 9 × 33 (=297)→ there are 33 - 17 + 1 = 17 natural numbers between 150 and 300 divisible by 9.
100
Every 4th number, remembering that 300 is not inside this range: 296/4=74
Numbers that end in 0 or 5 are all divisble by 5
There are 29 numbers between 1 and 150 that are divisible by five.
There are 89 numbers between 1 and 180 that are divisible by two.
There are 66 numbers between 1 and 1,000 that are divisible by 15.
There are 63 numbers 1 to 500 that are divisible by six but not by eight.
There are 98 numbers are between 1 and 100 that are divisible by five.