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A172290
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Prime divisors of 2^1092-1, listed with multiplicities.
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6
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3, 3, 5, 7, 7, 13, 13, 29, 43, 53, 79, 113, 127, 157, 313, 337, 547, 911, 1093, 1093, 1249, 1429, 1613, 2731, 3121, 4733, 5419, 8191, 14449, 21841, 121369, 224771, 503413, 1210483, 1948129, 22366891, 108749551, 112901153, 23140471537, 25829691707, 105310750819, 467811806281, 4093204977277417, 8861085190774909, 556338525912325157, 86977595801949844993, 275700717951546566946854497, 292653113147157205779127526827, 3194753987813988499397428643895659569
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OFFSET
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1,1
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COMMENTS
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Up to now only two primes p such that p^2 divide 2^(p-1)-1 are known (these two are Wieferich primes see A001220).
Terms appearing more than once (in fact twice) are 3, 7, 13, and 1093.
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LINKS
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CROSSREFS
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KEYWORD
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fini,full,nonn
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AUTHOR
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EXTENSIONS
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Definition clarified corrected by Joerg Arndt, Apr 25 2011
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STATUS
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approved
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