2 038 411 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
915768372217	12	39.7	old
157493976058338854031103	24	77.1	2022-09-30 20:14:46

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	111 / 640

Estimated T-Level: 25.9 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	BD583BAE3434FD61	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	BD583BAE3434FD61	1	1274327	1	3
Verified	2022-10-02	_p95holder_	710AF8CD9E853039	2	954313	5	3
Verified	2022-10-06	Funky Waddle	710AF8CD9E853039	2	1091035	5	3

History

Date	User	Type	Result
2022-10-06	entropydave	CERT	PRP Certification Proof certified good
2022-10-06	Funky Waddle	C-PRP	M2038411/915768372217/157493976058338854031103 : 710AF8CD9E853039 PRP proof power = 7 PRP: Verified Proof certified good
2022-10-02	_p95holder_	C-PRP	M2038411/915768372217/157493976058338854031103 : 710AF8CD9E853039 PRP: Verified PRP without proof (not generated)
2022-09-30	_p95holder_	F-ECM	Factor: 157493976058338854031103 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2038411/915768372217 : BD583BAE3434FD61 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2038411/915768372217 : BD583BAE3434FD61 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12