Question

find the five-digit smallest number which can be divided by 15,55 and 99

Answer 1

"Here is how you can find the answer –

15 = 3x5

55 = 5x11

99 = 3x3x11

LCM = 3x3x5x11 = 495

100000/495 = 202.02

202*495 = 99990.

So, considering only positive integers, 99990 is the smallest 5-digit number divisible by 15, 55 and 99.

However, Alternately, it could be -99990 if negative numbers are acceptable.

"

Answer 2

99990 is the only positive number which is divisible by 15, 55, and 99