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 2000000 ≤ n ≤ 3000000.

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

2024-05-15: added k = 115, 117, 123, 129 thru 149, 153 thru 163, 171 thru 189, 245 for n ≤ 2300000

currently k = 77, 85, 91, 95, 115, 117, 123, 129 thru 149, 153 thru 163, 171 thru 189,

203 thru 209, 213, 219, 221, 227, 235, 237, 245 thru 251, 255 thru 263, 267, 273 thru 281, 285 thru 299

Current status

• PRPNet status

Multi Reservation

• Here: The current n_max = 2,200,000 as of 2024-05-07.

Data table

This table should be updated when the drive is done.

k-value	Nash	Candidates	n-range	prime for n (confirmed)
203	1687		2200000 - 3000000	2222744
207	1798		2000000 - 3000000	2212517
213	2538		2000000 - 3000000	2064426, 2277870
235	1563		2200000 - 3000000	2227565
249	1592		2000000 - 3000000	2001627
255	3297		2000000 - 3000000	2010691
273	3029		2000000 - 3000000	2024810
285	3331		2000000 - 3000000	2110099, 2138174
287	1307		2000000 - 3000000	2054534, 2197108
289	1642		2000000 - 3000000	2118129
291	1969		2000000 - 3000000	2071142
295	1266		2200000 - 3000000	2242469

External Links

• Thread at MersenneForum

No Prime Left Behind

Miscellaneous

Main

Current work

Drive 17 Drive 18 Drive 19 Drive High-n 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

Races

Race 1 Race 2 Race 3 ...

Others