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Primality of certain numbers
Posted:
Dec 5, 1996 8:37 PM


What is the status primality of integers that consist of all 1's? I have a book published in 1963. At that time, the largest prime in this form consisted of 23 1's. Have there been found larger integers consisting of all 1's?
Thanks
 Igor Sheyn http://lynx.dac.neu.edu/home/httpd/f/fgamarni/eurodance/home.html



