There are 16: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48.
19
49
Thirty-three
How many numbers less than 700 are divisible by both 15 and 21?
There are 33 such numbers.
19
19
Here is a list of whole numbers less than 100 which are evenly divisible by 7714212835424956637077849198
18 numbers are there
Four of them.
49
12
49
Nineteen. They are: 5101520253035404550556065707580859095
Thirty-three
109
How many numbers less than 700 are divisible by both 15 and 21?