1 482 659 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
11861273	8	23.5	old
71167633	8	26.1	2008-07-15 10:01:39
33658575807002687	17	54.9	2014-12-23 11:35:57
46986490147309488847916606752588497527557801	44	145.1	2023-11-05 15:03:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	409 / 640

Estimated T-Level: 28.2 ⓘ

TF below 2^89 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-01	Oliver Kruse	CB1FF7056F0A425A	3	0	1	3
Verified (Factored)	2017-10-28	kkmrkkblmbrbk	CB1FF7056F0A425A	3	1051380	1	3
Verified	2023-11-05	Anton Tsvetkov	ABCA4AACE3007377	4	1402201	5	3

P-1 factors

Date	Factor	B1	B2
2023-11-05	46986490147309488847916606752588497527557801	5000000	1006114200

History

Date	User	Type	Result
2023-11-05	George Woltman	CERT	PRP Certification Proof certified good
2023-11-05	Anton Tsvetkov	C-PRP	M1482659/11861273/71167633/33658575807002687/46986490147309488847916606752588497527557801 : ABCA4AACE3007377 PRP proof power = 6 PRP: Verified Proof certified good
2023-11-05	Anton Tsvetkov	F-PM1	Factor: 46986490147309488847916606752588497527557801 / (P-1, B1=5000000, B2=1006114200)
2017-10-28	kkmrkkblmbrbk	C-PRP	M1482659/11861273/71167633/33658575807002687 : CB1FF7056F0A425A PRP: Verified (Factored) PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1482659/11861273/71167633/33658575807002687 : CB1FF7056F0A425A PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-12-23	TJAOI	F	Factor: 33658575807002687 / TF: 54-55
2008-07-15	J Feitsma	F	Factor: 71167633