332 221 639 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 2⁸¹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
1883402279596683749597543	25	80.6	2023-12-15 16:09:01

History

Date	User	Type	Result
2025-06-23	Greg	F	Factor: 1883402279596683749597543 / TF: 80-81
2024-07-16	Grant McCracken	NF	no factor TF: 71-72
2024-03-28	Grant McCracken	NF	no factor TF: 70-71
2023-12-15	Architects Cubed	F	Factor: 1883402279596683749597543 / TF: 80-81*
2023-11-29	Architects Cubed	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2019-12-09	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-02	MadPoo 🙂	NF-PM1	B1=100000, B2=150000
2013-05-14	Bill Staffen	NF	no factor TF: 78-79
2013-05-14	Bill Staffen	NF	no factor TF: 77-78
2013-05-12	kracker	NF	no factor TF: 76-77
2011-04-08	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-01	Christian Geschwentner	NF	no factor TF: 74-75
2010-08-29	Team_Inspector	NF	no factor TF: 73-74
2010-04-24	Team_Inspector	NF	no factor TF: 72-73
2010-02-05	Team_Inspector	NF	no factor TF: 71-72
2010-02-04	Team_Inspector	NF	no factor TF: 70-71
2009-08-01	Team_Inspector	NF	no factor TF: 69-70
2008-12-13	Team_Inspector	NF	no factor TF: 68-69