Verified Answer :

konrad509

Factorize 30.

30|2
15|3
5|5
1

\(30=2\cdot3\cdot5\\ \Downarrow\\ a=2\\ b=3\\ c=5\)

\(30=2\cdot15=2\cdot3\cdot5\)

If you have no other data such as a < b < c, or other (even-odd number), then you have 6 answers:

\(235\\253\\325\\253\\523\\532\)

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