1 830 931 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
23763290924663	14	44.4	old
42677833477679098748999	23	75.2	2020-08-11 23:14:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)	2017-10-04	Oliver Kruse	3E6D70E7E84894CA	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	3E6D70E7E84894CA	1	728792	1	3
Verified	2020-08-11	storm5510	F64EA53217B8A137	2	84482	5	3

History

Date	User	Type	Result
2020-08-12	Jorge Coveiro	CERT	PRP Certification Proof certified good
2020-08-11	storm5510	C-PRP	M1830931/23763290924663/42677833477679098748999 : F64EA53217B8A137 PRP proof power = 7 PRP: Verified Proof certified good
2020-08-11	_p95holder_	F-ECM	Factor: 42677833477679098748999 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1830931/23763290924663 : 3E6D70E7E84894CA PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1830931/23763290924663 : 3E6D70E7E84894CA PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12