9 199 727 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
105104008271503683359	21	66.5	2014-05-23 07:00:57

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2000-06-23	Jörg Thomsen	77808D00A6F581EB	0
Verified (Factored)	2003-09-21	Chris Siegert	77808D00A6F581EB	5771890

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-07-26	Niels_Mache_Nextcloud	CEB07AB90BB31EB3	1	5055056	5	3
Verified	2020-11-01	kutens	CEB07AB90BB31EB3	1	5811592	5	3

History

Date	User	Type	Result
2020-11-01	curtisc	CERT	PRP Certification Proof certified good
2020-11-01	kutens	C-PRP	M9199727/105104008271503683359 : CEB07AB90BB31EB3 PRP proof power = 8 PRP: Verified Proof certified good
2019-07-26	Niels_Mache_Nextcloud	C-PRP	M9199727/105104008271503683359 : CEB07AB90BB31EB3 PRP: Verified PRP without proof (not generated)
2014-05-23	swildner	F-ECM	Factor: 105104008271503683359
2013-09-14	Nesowa	NF	no factor from 2^64 to 2^65
2012-06-28	Squeeky_Squirrel	NF-PM1	B1=170000, B2=3740000, E=6