33 600 829 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷³

TF target 2⁷¹

Factored

Factor	Digits	Bits	Date
6387912420347782068079	22	72.4	2019-12-26 11:51:38

Status	Date	User	Residue	Shift	Software
Factored		Steven H. Norton	B6A58503EB35DB0B	7667198	Windows,Prime95,v23,(aka WZ1)
Factored	2014-12-03	Architects Cubed	B6A58503EB35DB0B	13703666	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2025-06-16	Greg	F	Factor: 6387912420347782068079 / TF: 72-73
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2019-12-26	-anonymous-	F	Factor: 6387912420347782068079 / TF: 72-73*
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2016-03-27	Mark Rose	NF	no factor TF: 67-68
2016-03-27	Mark Rose	NF	no factor TF: 66-67
2016-03-27	Mark Rose	NF	no factor TF: 64-66
2014-12-03	Architects Cubed	C-LL	B6A58503EB35DB0B
2013-05-01	Axelsson	NF	no factor TF: 70-71
2013-05-01	Axelsson	NF	no factor TF: 69-70
2012-12-25	Carsten Kossendey	NF	no factor TF: 68-69
2003-06-06	markr	NF	no factor TF: 1-64