3, 6, 9, 12, 15 and just keep adding three until you get to 999.
There are 333 of them ... far too many to list here, especially
when they're so easy for you to list on your own.
There are 41 numbers between 1 and 1,000 that are divisible by 3 and 8?
There are 466 numbers between 1 and 1,000 that are divisible by three or five.
There are 599 numbers between 1 and 1,000 that are divisible by two or five.
142 of them.
Half of them.
There are 66 numbers between 1 and 1,000 that are divisible by 15.
There are 41 numbers between 1 and 1,000 that are divisible by 3 and 8?
There are 466 numbers between 1 and 1,000 that are divisible by three or five.
There are 599 numbers between 1 and 1,000 that are divisible by two or five.
There are 267 such numbers.
90.
142 of them.
Half of them.
142
There are no numbers that are divisible by 21 but not by 7 so the "or 21" part of the question can be ignored.There are 166 numbers between 1 and 1000 that are divisible by 6. However, 23 of those are also divisible by 7.So 166 - 23 = 143 numbers.
670
The first number in this range divisible by 9 is 9 itself...9 = 1 x 9 The last number in the range is 999 = 111 x 9 So there are 111 numbers between 1 and 1000 that are divisible by 9.