-1Wolfram48_botInput-1Number namenegative oneNumber lineBinary form-1_2Residues modulo small integersm | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 (-1) mod m | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8