1 4 5 7 15 July 8, 2019 16 32 64 128 3x 4 5 3x 1 6 7 15 7 15x 1 5 4 15x3 7 4 1 )- 5 2 15x3 7 4 1 )- 5 to the power of 2 10 4 5 divided by 1 7 15 15x3 7 4 1 )- 5