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Riesel primes of the form 6•10ⁿ-1

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Current data

`k` , `b` :	6 , 10
Count :	30
Nash :	4289
Max `n` :	230,000
Date :	2021-10-05

1^[1], 2^[2], 4, 5^[3], 7, 10, 13, 22, 23, 28, 34, 40, 61^[4], 73, 361, 490, 613, 1624, 2000, 2994, 4301, 4332, 18668, 32544, 34936, 267598, 270658, 293134, 319889, 414508

Remarks :

sequence A056716 in OEIS
See also Near-repdigit 599...99 Studio Kamada

Notes

History

2021-10-05: Checked n = 1000001 - 1050000, Predrag Kurtovic
2011-04-17: Checked to n = 230000, Gary Barnes
2011-01-08: Found n = 414508, David Broadhurst
2010-11-19: Found n = 319889, David Broadhurst
2010-11-19: Found n = 293134, David Broadhurst
2010-11-19: Found n = 270658, David Broadhurst
2010-11-15: Found n = 267598, David Broadhurst
2001-09-30: Found n = 34936, Eric J. Sorensen
2001-09-26: Found n = 32544, Eric J. Sorensen
2000-02-22: Found n = 18668, Ray Ballinger
1988: Found n = 4332, Harvey Dubner
1988: Found n = 4301, Harvey Dubner

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Riesel 10