Thread: theory on Mersenne primes ? View Single Post
 2010-11-12, 23:32 #54 science_man_88     "Forget I exist" Jul 2009 Dumbassville 100000110000002 Posts Code: 123456789 246813579 369369369 483726159 516273849 639639639 753186429 876543219 999999999 this is the 2 way multiplication for modulo if I have it correct, the red are ones that can if multiplied by something else or (for some) left alone can be brought to 4 or 1 as sumdigits(x)