- n=25-100k, 45k left (214, 768, 832, 844, 1026, 1228, 1486, 1684, 1966, 2188, 2248, 2286, 2778, 3756, 3838, 4042, 4092, 4144, 4534, 4708, 6148, 6226, 6774, 6816, 7204, 7498, 7698, 7702, 7992, 8176, 8368, 8382, 8674, 9138, 9244, 9286, 9478, 9754, 9826, 9840, 9844, 10152, 10462, 10678, 10774)
- runtime 43s-10min (AVX@4Ghz)

9708*523^28663+1 found by MarkRBright
3016*523^29037+1 found by MarkRBright
4254*523^29073+1 found by rebirther
6102*523^31137+1 found by STE\/E [BlackOpsTeam]
3418*523^33424+1 found by Johnny Rotten
4756*523^36156+1 found by Mankka*
7192*523^38257+1 found by Mankka*
3258*523^41174+1 found by Uli2*
10074*523^41438+1 found by LCB001
9034*523^41582+1 found by vaughan
3000*523^45537+1 found by JayPi
1426*523^53817+1 found by rebirther
7102*523^55236+1 found by [SG-FC]DaMe
8448*523^59091+1 found by Mankka*
4416*523^60043+1 found by STE\/E [BlackOpsTeam]
9898*523^63512+1 found by Cruncher Pete [BlackOpsTeam]
888*523^66056+1 found by Cruncher Pete [BlackOpsTeam]
688*523^66286+1 found by LCB001
10362*523^66513+1 found by Cruncher Pete [BlackOpsTeam]
8884*523^77166+1 found by Johnny Rotten
3792*523^80629+1 found by Mankka*
3694*523^81154+1 found by zombie67 [MM]