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843 B
843 B
fprime
Instructions
Write a program that takes a positive int and displays its prime factors, followed by a newline ('\n').
-
Factors must be displayed in ascending order and separated by
*. -
If the number of arguments is different from 1, if the argument is invalid or if the integer doesn't have a prime factor, the program displays nothing.
Usage
student@ubuntu:~/fprime/test$ go build
student@ubuntu:~/fprime/test$ ./test 225225
3*3*5*5*7*11*13
student@ubuntu:~/fprime/test$ ./test 8333325
3*3*5*5*7*11*13*37
student@ubuntu:~/fprime/test$ ./test 9539
9539
student@ubuntu:~/fprime/test$ ./test 804577
804577
student@ubuntu:~/fprime/test$ ./test 42
2*3*7
student@ubuntu:~/fprime/test$ ./test a
student@ubuntu:~/fprime/test$ ./test 0
student@ubuntu:~/fprime/test$ ./test 1
student@ubuntu:~/fprime/test$