11 632 459 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
194138159009068346238292319	27	87.3	2022-12-17 23:43:40
87753166642556463735696281591794726992743	41	136.0	2022-12-18 16:53:57

ECM

Digits	B1	Curves
25	50000	65 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2001-02-18	Alain Jacques	F75282FD431CE098	5821701
Verified (Factored)	2004-04-09	J.C.Payne	F75282FD431CE098	1752463

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-12-19	riccardo uberti	5650FF2704AFB0F5	1	10423519	5	3
Verified	2022-12-20	riccardo uberti	5650FF2704AFB0F5	2	8548703	5	3

P-1 factors

Date	Factor	B1	B2
2022-12-17	194138159009068346238292319	1500000	102234990
2022-12-18	87753166642556463735696281591794726992743	8000000	21589789650

History

Date	User	Type	Result
2022-12-29	riccardo uberti	NF-PP1	Start=6/5, B1=2300000, B2=48000000
2022-12-22	riccardo uberti	NF-PP1	Start=2/7, B1=2000000, B2=40000000
2022-12-20	Georg_Edelmann	CERT	PRP Certification Proof certified good
2022-12-20	riccardo uberti	C-PRP	M11632459/194138159009068346238292319/87753166642556463735696281591794726992743 : 5650FF2704AFB0F5 PRP proof power = 8 PRP: Verified Proof certified good
2022-12-19	curtisc	CERT	PRP Certification Proof certified good
2022-12-19	riccardo uberti	C-PRP	M11632459/194138159009068346238292319 : 5650FF2704AFB0F5 PRP proof power = 8 PRP: Verified Proof certified good
2022-12-18	riccardo uberti	F-PM1	Factor: 87753166642556463735696281591794726992743 / (P-1, B1=8000000, B2=21589789650)
2022-12-17	riccardo uberti	F-PM1	Factor: 194138159009068346238292319 / (P-1, B1=1500000, B2=102234990)
2022-12-11	riccardo uberti	NF	no factor from 2^71 to 2^72
2021-08-14	SRBase	NF	no factor from 2^70 to 2^71
2021-08-06	SRBase	NF	no factor from 2^69 to 2^70
2018-01-02	ramgeis	NF	no factor from 2^68 to 2^69
2018-01-02	ramgeis	NF	no factor from 2^67 to 2^68
2016-01-30	VictordeHollander	NF	no factor from 2^66 to 2^67
2014-12-20	Nesowa	NF	no factor from 2^65 to 2^66
2013-11-03	lycorn	NF	no factor from 2^64 to 2^65
2012-03-23	James Heinrich	NF-PM1	B1=225000, B2=5400000, E=6