- n=25-100k, 28k left (1948, 2176, 2200, 2572, 3726, 3792, 3808, 4098, 4128, 4720, 4866, 5016, 5028, 5052, 5296, 5610, 6168, 6234, 6508, 6888, 7026, 7156, 7194, 7242, 7692, 8104, 8706, 8956)
- runtime 43s-12min (AVX@3.8Ghz)

9318*397^28920+1 found by LCB001
996*397^34420+1 found by Trotador
1762*397^34491+1 found by Trotador
8296*397^34564+1 found by Johnny Rotten
4024*397^35337+1 found by Mumps [MM]
9636*397^36888+1 found by arkiss
6936*397^38644+1 found by Mumps [MM]
3078*397^42177+1 found by Mumps [MM]
9696*397^44736+1 found by ardo
9306*397^52185+1 found by E-30 [Black Sheep]
4818*397^56714+1 found by Johnny Rotten
2196*397^57783+1 found by ardo
8916*397^69232+1 found by Johnny Rotten
7596*397^77651+1 found by Mumps [MM]