Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence
shows the first 11 ugly numbers. By convention, 1 is included.
Write a program to find and print the 1500th ugly number.
Input and Output Specification
There is no input to this program. Output should consist of a single line as shown below,
The 1500'th ugly number is <number>.
Do not forget to print a newline character to the end of the line!
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