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A108881
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Least positive k such that k * [RSA-2048]^n + 1 is prime, where RSA-2048 is the 617 decimal digit RSA challenge number.
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OFFSET
| 1,1
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COMMENTS
| Another term is a(16)=6766. All values in the sequence are Fermat and Lucas PRPs except for the first which was proved with ECM. The larger values won't be easily provable until RSA-2048 is factored, which has a prize of $200000 for its factorization.
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LINKS
| Wikipedia, RSA-2048
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CROSSREFS
| Cf. A108375, A108573.
Sequence in context: A158255 A075299 A031712 * A186547 A031605 A186548
Adjacent sequences: A108878 A108879 A108880 * A108882 A108883 A108884
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KEYWORD
| more,nonn
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AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Jul 14 2005
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