11,115
There are 180 3-digit numbers divisible by five.
to be divisible by 5 the last digit of the number has to be 0 or 5
15000
99045
12 345
The highest six-digit number divisible by 3, 4, and 5 is 999960.
If the units digit is a five or a zero, then the number may be evenly divided by five. (Zero itself exempted.)
123456
You know a number is divisible by five when its last digit has either a 5 or 0.
How about 5 x 9 x enough multiples of 10 to give you 5 digits? 5 x 9 = 45 5 x 9 x 10 = 450 5 x 9 x 10 x 10 = 4500 5 x 9 x 10 x 10 x 10 = 45000 18225
45,000 / 5 = 9,000 45,000 / 9 = 5,000
There is no 5 digit number which is divisible by 23456910 (an 8-digit number)..