FrobeniusNumber

FrobeniusNumber[{a1, ..., an}] gives the Frobenius number of a1, ..., an.

Examples

Find the Frobenius number for two values:

FrobeniusNumber[{3, 5}]

For three values:

FrobeniusNumber[{6, 9, 20}]

Please visit the official Wolfram Language Reference for more details.