- n=100-300k, 26k left (154, 278, 280, 304, 308, 332, 364, 560, 640, 668, 688, 722, 724, 872, 976, 1036, 1148, 1204, 1352, 1358, 1414, 1988, 2014, 2026, 2042, 2086)
- runtime 8min-1h12min (AVX@3.8Ghz)

1108*323^66274+1 found by LCB001
1040*323^82177+1 found by Mumps [MM]
602*323^118417+1 found by Science United
2258*323^118703+1 found by Moor
196*323^201876+1 found by ashriverguy
934*323^216782+1 found by Diessence
970*323^288448+1 found by Science United (TOP5000)