Just divide 500 / 9 = 55.55555... ; so there are 55 numbers in the range divisible by 9. Here they are:
There are 63 numbers 1 to 500 that are divisible by six but not by eight.
There are 232 numbers between 1 and 500 that are divisible by 3 or 5.
55
500 numbers in the range [1, 1000] are divisible by 2.
There are 67 numbers between 100 and 500 divisible by 6. The first number greater than 100 divisible by 6: 100 ÷ 6 = 16 r 4 → first number divisible by 6 is 6 × 17 = 102 Last number less than 500 divisible by 6: 500 ÷ 6 = 83 r 2 → last number divisible by 6 is 6 × 83 = 498 → all multiples of 6 between 17 × 6 and 83 × 6 inclusive are the numbers between 100 and 500 that are divisible by 6. → there are 83 - 17 + 1 = 67 such numbers.
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.
There are 98 numbers are between 1 and 100 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 29 numbers between 1 and 150 that are divisible by five.
All numbers are divisible by 1.
There are 49 numbers between 1 and 100 that are divisible by two.