369 469 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
36871602221073002435840729	26	84.9	2009-10-16 18:58:48

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	300 / 640

Estimated T-Level: 27.3 ⓘ

TF below 2^86 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	3EF5	0
Verified (Factored)		Michael J. Kilfoyle	11813B5FC5CA7EF5	0
Verified (Factored)		Klaus Kastens	11813B5FC5CA7EF5	0
Verified (Factored)		Eivind Triel	11813B5FC5CA7EF5	88959

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-23	Oliver Kruse	903AA3B402B554C2	1	0	1	3
Verified	2017-11-02	kkmrkkblmbrbk	903AA3B402B554C2	1	28255	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	640F2F28406DF4__	1	85805	5	3

History

Date	User	Type	Result
2024-02-17	Denial140	NF-PM1	B1=1000000, B2=8403510570
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-18	Oliver Kruse	C-PRP	M369469/36871602221073002435840729 : 640F2F28406DF4__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-02	kkmrkkblmbrbk	C-PRP	M369469/36871602221073002435840729 : 903AA3B402B554C2 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M369469/36871602221073002435840729 : 903AA3B402B554C2 PRP: Unverified (Reliable) PRP without proof (not generated)
2009-10-16	JimBa	F-ECM	Factor: 36871602221073002435840729
2009-01-25	Sturle Sunde	NF	no factor from 2^59 to 2^60
2009-01-05	Sturle Sunde	NF	no factor from 2^58 to 2^59