2 5 2 3 5 7 July 8, 2019 16 32 64 128 5 2 3 2 5 7 fraction 2 2 3 5 7 9 2 5 2 3 7 8 (- 5 )/ 2 (- 3 )/ 5 7 )/ 4 2 7 5 3 2 5 batman 2 1 2 3 5 7 5 2 2 3 7 6 X 5 2 3 5 7 1 X 5 2 3 5 7 7 2 5 minus 2 3 5 2 2 3 5 7 and 9 are all examples of prime numbers