This number is a prime.

                                                               26 2364233421

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Largest known prime in Stern's sequence. The subsequence of primes begins: 2, 3, 11, a(41) = 262364233421, and no more through a(200). Partial sums give Conway-Guy sequence. [Post]

Submitted: 2010-02-18 19:01:35;   Last Modified: 2010-02-18 19:30:39.
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