1 953 761 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
694332191148439	15	49.3	old
322840048681894242689	21	68.1	2021-06-13 22:56:15
8728307463288860659903	22	72.9	2022-04-28 10:19:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	56 / 640

Estimated T-Level: 25.4 ⓘ

TF below 2^80 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	A0937E1BFE997A90	1	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	A0937E1BFE997A90	1	1567500	1	3
Verified (Factored)	2021-06-15	kutens	F8738C7A2FED0CDF	2	133336	5	3
Verified	2022-04-28	aperson1	F8738C7A2FED0CDF	3	1788509	5	3
Verified	2022-04-29	JackBlock	F8738C7A2FED0CDF	3	317172	5	3

History

Date	User	Type	Result
2022-04-29	qtdszws	CERT	PRP Certification Proof certified good
2022-04-29	JackBlock	C-PRP	M1953761/694332191148439/322840048681894242689/8728307463288860659903 : F8738C7A2FED0CDF PRP proof power = 7 PRP: Verified Proof certified good
2022-04-28	V-glass Pngos	CERT	PRP Certification Proof certified good
2022-04-28	aperson1	C-PRP	M1953761/694332191148439/322840048681894242689/8728307463288860659903 : F8738C7A2FED0CDF PRP proof power = 7 PRP: Verified Proof certified good
2022-04-28	TJAOI	F-ECM	Factor: 8728307463288860659903 / (ECM curve 3, B1=50000, B2=7500000)
2021-06-15	Ben Delo	CERT	PRP Certification Proof certified good
2021-06-15	kutens	C-PRP	M1953761/694332191148439/322840048681894242689 : F8738C7A2FED0CDF PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2021-06-13	_p95holder_	F-ECM	Factor: 322840048681894242689 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1953761/694332191148439 : A0937E1BFE997A90 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1953761/694332191148439 : A0937E1BFE997A90 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12