- n=25-100k, 70k left (519, 713, 824, 837, 857, 866, 987, 1242, 1245, 1461, 1472, 1607, 1665, 1704, 1740, 1812, 1877, 2133, 2328, 2366, 2490, 2501, 2634, 2694, 2913, 3017, 3047, 3180, 3375, 3450, 3462, 3473, 3518, 3585, 3602, 3749, 3987, 4152, 4217, 4233, 4293, 4304, 4526, 4547, 4607, 4863, 5058, 5097, 5111, 5328, 5489, 5622, 5699, 5708, 5799, 5828, 5973, 6011, 6206, 6219, 6357, 6404, 6495, 6638, 6753, 6797, 6843, 6876, 7089, 7124)
- runtime 29s-12min (AVX@3.8Ghz)

3944*502^26028-1 found by NeuralMiner
5352*502^27890-1 found by UofS-Computer-Science
1451*502^28773-1 found by NeuralMiner
6183*502^28902-1 found by SuchFlex.com
1098*502^29010-1 found by LCB001
6201*502^30127-1 found by KWSN-SpongeBob SquarePants
6140*502^30693-1 found by LCB001
339*502^31247-1 found by Fernando Miguel
6734*502^31371-1 found by UofS-Computer-Science
5807*502^32412-1 found by UofS-Computer-Science
5946*502^32759-1 found by UofS-Computer-Science
4326*502^34354-1 found by LCB001
6683*502^35838-1 found by LCB001
1964*502^37905-1 found by LCB001
1136*502^38507-1 found by OlddanIT
5952*502^39357-1 found by NeuralMiner
3431*502^40059-1 found by NeuralMiner
6410*502^41479-1 found by NeuralMiner
5961*502^42233-1 found by Highlander_6596
5552*502^42473-1 found by NeuralMiner
6308*502^42686-1 found by UofS-Computer-Science
2300*502^44713-1 found by NeuralMiner
1653*502^48428-1 found by vaughan
6338*502^52146-1 found by Comindware
4572*502^54710-1 found by UofS-Computer-Science
6014*502^54748-1 found by Highlander_6596
5247*502^59605-1 found by UofS-Computer-Science
1376*502^59978-1 found by STE\/E
1256*502^87830-1 found by UofS-Computer-Science
4149*502^92685-1 found by UofS-Computer-Science
1968*502^94066-1 found by kotfryc