5m 2 2m 5 July 8, 2019 16 32 64 128 3 5m 2 5 2m m 1 15m 5m 3n 2 2m 2 5n 5m 2 2m k 0 is 7 5 5m 7n 3n 4m 2 2m 3mn 5 5m 2 2m m 2 7 5m 5m 7 2 − 2m 5 2 5 2 m
