Proth prime 4 23451

Current data

k , b : 23451 , 4 Type : 3Low Count : 1 Nash : 460 Max n : 1,869,694 Date : 2015-08-03

1869694

Remarks :

CRUS Liskovets-Gallot search for Proth 23451•2n+1 even n

History

• 2015-08-03: Found n = 1869694, Jean Penné, CRUS Liskovets-Gallot
• 2015-06-15: Checked to n = 1853314, Jean Penné
• 2015-03-17: Checked to n = 1800104, Jean Penné
• 2014-12-31: Checked to n = 1750054, Jean Penné
• 2014-10-09: Checked to n = 1700072, Jean Penné
• 2014-08-24: Checked to n = 1664266, Jean Penné
• 2014-06-09: Checked to n = 1606504, Jean Penné
• 2014-04-21: Checked to n = 1568236, Jean Penné
• 2014-02-14: Checked to n = 1515334, Jean Penné
• 2013-12-12: Checked to n = 1460834, Jean Penné
• 2013-10-06: Checked to n = 1405672, Jean Penné
• 2013-08-12: Checked to n = 1355524, Jean Penné
• 2013-06-29: Checked to n = 1306006, Jean Penné
• 2013-05-29: Checked to n = 1270006, Jean Penné
• 2013-03-31: Checked to n = 1204114, Jean Penné
• 2013-02-12: Checked to n = 1151152, Jean Penné
• 2013-01-22: Checked to n = 1123342, Jean Penné
• 2012-12-09: Checked to n = 1051864, Jean Penné
• 2012-11-08: Checked to n = 1025000, Jean Penné
• 2012-10-15: Reserved by Jean Penné
• 2008-03-23: Checked to n = 1000000, Jean Penné, released
• 2008-02-19: Checked to n = 988636, Jean Penné
• 2008-01-16: Checked to n = 975482, Jean Penné
• 2008-01-07: Checked to n = 972644, Jean Penné
• 2007-11-28: Checked to n = 958156, Jean Penné
• 2007-11-02: Checked to n = 950774, Jean Penné
• 2007-10-03: Checked to n = 938896, Jean Penné
• 2007-06-24: Checked to n = 903946, Jean Penné
• 2007-05-15: Checked to n = 889682, Jean Penné
• 2007-04-02: Checked to n = 868342, Jean Penné
• 2007-03-03: Checked to n = 851884, Jean Penné
• 2007-02-04: Checked to n = 838832, Jean Penné
• 2006-12-04: Checked to n = 800944, Jean Penné
• 2006-10-11: Checked to n = 767596, Jean Penné
• 2006-09-13: Checked to n = 740002, Jean Penné
• 2006-08-23: Checked to n = 715324, Jean Penné
• 2006-06-28: Checked to n = 676582, Jean Penné
• 2006-06-05: Checked to n = 650614, Jean Penné
• 2006-04-03: Checked to n = 625022, Jean Penné
• 2005-11-05: Reserved by Jean Penné
• 2005-01-31: Checked to n = 30000, (Mystwalker)
• 2005-01-26: Checked to n = 23000, (Mystwalker)