Status of search for primes k.2ⁿ+1

301 < k < 399 & 1,000,000 < n < 1,500,000

Recently reserved ranges | Reserve or submit a range

Color legend:

completed (X)

being tested

available

k \ n x 1000	1000-1020	1020-1040	1040-1060	1060-1080	1080-1100	1100-1120	1120-1140	1140-1160	1160-1180	1180-1200	1200-1220	1220-1240	1240-1260	1260-1280	1280-1300	1300-1320	1320-1340	1340-1360	1360-1380	1380-1400	1400-1420	1420-1440	1440-1460	1460-1480	1480-1500
301	X	X	X	X	X
303	X	X	X	X	X
305	X	X	X	X	X
307
309	X	X	X	X	X	X	X	X	X	X
311	X	X	X	X	X
313	X	X	X	X	X
315
317	X	X	X	X	X
319	X	X	X	X	X
321	re	re	re	re	re
323
325
327
329
331
333
335
337
339
341
343	X	X	X	X	X
345
347
349	X	X	X	X	X	X
351
353	X	X	X
355	X	X
357
359
361
363
365
367
369	X	X	X	X	X
371
373
375
377	ho	ho	ho	ho	ho
379
381
383
385
387
389
391
393
395
397
399