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Old 2019-05-16, 20:39   #14
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Originally Posted by rogue View Post
I think that donors would prefer a t-shirt or poster with one of the Mersenne Primes printed on it. That does give me an idea. Someone could design a GIMPS t-shirt. The cost per t-shirt would likely be less than $5 per t-shirt, but could be sold for $15. I think that would get you a lot of donors.
What about something like this on the back. Or with the word GIMPS on the breast pocket area and the rest on the back.
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