- n=700-800k, 23k left (603, 1049, 2538, 4903, 5118, 5978, 6836, 7309, 8297, 8341, 9029, 9201, 9633, 9848, 11267, 11781, 11911, 11996, 12125, 12213, 12598, 13288)
- runtime 1h46min-2h19min (AVX@3.9Ghz)

15024*42^104613-1 found by [AF>Libristes] Dudumomo
7913*42^108747-1 found by OlddanIT
13757*42^126934-1 found by agates
1633*42^128734-1 found by denravonska
13898*42^152983-1 found by [AF>Libristes] Dudumomo
5417*42^179220-1 found by denravonska
7051*42^188034-1 found by Joe
12127*42^203477-1 found by gouik
4299*42^246132-1 found by TermInet3&Friends
6964*42^650337-1 found by cjC28bhZdErecrLJfh5u8APsMVa (TOP5000)
13347*42^732816-1 found by Uwe-Bergstedt (TOP5000)