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Proth primes of the form 13•2n+1

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Reserved! This sequence is currently part of Multi Reservation 20: PrimeGrid Fermat Divisor Search.

Current data

k-value : 13
Count : 26
Nash : 920
Max n : 7,620,000
Date : 2020-12-28
Reserved : PrimeGridPrimeGrid/Reserved
2, 8, 10, 20, 28, 82, 188, 308, 316, 1000, 28280, 38008[1], 43856, 88018, 109258, 114296[2], 521306, 562456[3], 684560[4], 1038896, 1499876[5], 1861732[6], 4998362, 5523860[7], 6481780, 8989858

Notes

History