30x2 7 July 8, 2019 16 32 64 128 30 x 2 70 30 x 2 7 30x2 7x 15 30 x 2 75 30 x 2 7x 7 2 x 5 30 X 2 7x 30 factor X 2 7x 30 factorise 75 1 2 x 30 Cortina 2 30x2 70
