1 790 303 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
10713173153	11	33.3	old
8636163868369	13	43.0	2008-07-15 07:46:38
84091307379778469337607	23	76.2	2020-10-08 05:16:43
8252571356464650818278943	25	82.8	2015-06-25 11:46:30

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 640

Estimated T-Level: 25.8 ⓘ

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)	2017-10-05	Oliver Kruse	31258A9264143A0A	3	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	31258A9264143A0A	3	1115545	1	3
Verified	2020-10-08	mrh	59E9979511DE995B	4	841953	5	3

P-1 factors

Date	Factor	B1	B2
2015-06-25	8252571356464650818278943	500000	15000000

History

Date	User	Type	Result
2020-10-08	Ben Delo	CERT	PRP Certification Proof certified good
2020-10-08	mrh	C-PRP	M1790303/10713173153/8636163868369/8252571356464650818278943/84091307379778469337607 : 59E9979511DE995B PRP proof power = 7 PRP: Verified Proof certified good
2020-10-08	_p95holder_	F-ECM	Factor: 84091307379778469337607 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1790303/10713173153/8636163868369/8252571356464650818278943 : 31258A9264143A0A PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1790303/10713173153/8636163868369/8252571356464650818278943 : 31258A9264143A0A PRP: Verified (Factored) PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1790303/10713173153/8636163868369/8252571356464650818278943 : 31258A9264143A0A PRP without proof (not generated)
2015-06-25	alpertron	F-PM1	Factor: 8252571356464650818278943 / (P-1, B1=500000, B2=15000000, E=12)
2008-07-15	J Feitsma	F	Factor: 8636163868369