this number okay it's 232 digits and I want you to I want to know like x and y so the x times y equals this number okay well turns out there are two such numbers okay X of this length Y of this length all right now the problem of giving such a number what are x and y right so this is an EMPI problem because if I gave you x and y to begin with if I gave you the solution of the problem the X and the y then it's easy to check that next times y equals the given number you can definitely multiply these things in less