NPLB K300 Drive 1

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Purpose

This is team drive #1 for k < 300 for No Prime Left Behind. We will be searching many k's for n > 2000000.

Started

• 2024-04-23

Ended

• ongoing

k-values

2024-04-23: k = 91, 95, 163, 207, 209, 213, 221, 237, 247, 249, 251, 255, 261, 263, 267, 273, 277, 279, 281, 285, 287, 289, 291, 293, 297, 299

2024-04-26: added k = 77, 85 for n > 2100000

2024-05-05: added k = 203, 205, 219, 227, 235, 257, 259, 275, & 295 for n > 2200000

currently k = 77, 85, 91, 95, 163, 203 thru 209, 213, 219, 221, 227, 235, 237, 247 thru 251, 255 thru 263, 267, 273 thru 281, 285 thru 299

Current status

• PRPNet status

Multi Reservation

• Here: The current n_max = 2,800,000 as of 2024-11-13.

Data table

This table should be updated when the drive is done.

k-value	Nash	Candidates	n-range	prime for n (confirmed)
213	2538		2000000 - ?	2064426
249	1592		2000000 - ?	2001627
255	3297		2000000 - ?	2010691
273	3029		2000000 - ?	2024810
285	3331		2000000 - ?	2110099, 2138174
287	1307		2000000 - ?	2054534
289	1642		2000000 - ?	2118129
291	1969		2000000 - ?	2071142

External Links

• Thread at MersenneForum

No Prime Left Behind

Miscellaneous

Main

Current work

Drive 17 Drive 18 Drive 19 K300 Drive 1

Completed

Drive 1 Drive 2 Drive 3 Drive 4 Drive 5 Drive 6 Drive 7 Drive 8 Drive 9A Drive 9B Drive 9C Drive 9D Drive 10 Drive 11 Drive 12A Drive 12B Drive 12C Drive 13 Drive 14 Drive 15 Drive 16 Mini Drive 1 Mini Drive 2 Mini Drive 3 Mini Drive 4 Mini Drive 5 Maxi Drive 1 Drive High-n

Races

Race 1 Race 2 Race 3 ...

Others