4 605 509 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
138165271	9	27.0	old
632524843128281	15	49.2	2014-04-24 10:28:40
1535212112744719337	19	60.4	2016-02-05 12:04:27
1722586900053866831657161	25	80.5	2019-04-25 22:48:48

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	C594180D5EF22405	3	0	1	3
Verified (Factored)	2018-02-25	ATH	C594180D5EF22405	3	3860718	1	3
Verified	2019-04-26	artorollo	799C5A15AC78E70E	4	888726	5	3
Verified	2019-04-26	ATH	799C5A15AC78E70E	4	3982369	5	3

History

Date	User	Type	Result
2023-08-22	USAFSS	NF-PM1	B1=480000, B2=211757910
2023-08-21	USAFSS	NF-PM1	B1=360000, B2=149270940
2022-11-10	USAFSS	NF-PM1	B1=240000, B2=126267960
2019-04-26	ATH	C-PRP	M4605509/138165271/632524843128281/1535212112744719337/1722586900053866831657161 : 799C5A15AC78E70E PRP: Verified PRP without proof (not generated)
2019-04-26	artorollo	C-PRP	M4605509/138165271/632524843128281/1535212112744719337/1722586900053866831657161 : 799C5A15AC78E70E PRP: Verified PRP without proof (not generated)
2019-04-25	MarkS	F-ECM	Factor: 1722586900053866831657161 / (ECM curve 3, B1=50000, B2=5000000)
2018-02-25	ATH	C-PRP	M4605509/138165271/632524843128281/1535212112744719337 : C594180D5EF22405 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4605509/138165271/1535212112744719337/632524843128281 : C594180D5EF22405 PRP: Verified PRP without proof (not generated)
2016-02-05	TJAOI	F	Factor: 1535212112744719337 / TF: 60-61
2014-04-24	TJAOI	F	Factor: 632524843128281