To run Primemx2, follow the input syntax exemplified in 'm25964951.txt', by:
eg, "./Primemx2 < m25964951.txt"
 or "./Primemx2" followed by similar input from Stdin

To run Primemmx2, follow the input syntax exemplified in 'mm127.txt', by:
eg, "./Primemmx2 < mm127.txt"
 or "./Primemmx2" followed by similar input from Stdin