Quote:
Originally Posted by R. Gerbicz
No it is not enough, and what would prove that it is prp (say for base=3) or prime? Suppose that all 7+ billion people email a (different smallish) exponent then there will be roughly 20 Mersenne prime exponents in that, but we don't know which ones.

I already covered this point in the "crank" thread.
http://www.mersenneforum.org/showpos...9&postcount=39
So, like I say above, it has to be proven first before any money is delivered. But what I say above I think is correct, posting only the exponent is enough to start the process. Naturally, not many people will trust someone new posting a random number, but hey ya never know.