1 841 107 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
88373137	8	26.4	old
490006502967682585513	21	68.7	2020-06-02 13:38:42
16624473822304302431153183641	29	93.7	2021-06-04 15:56:44

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	55EFAF1E59822FD3	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	55EFAF1E59822FD3	1	143491	1	3
Verified (Factored)	2020-06-02	riccardo uberti	AC025A595ED6C21A	2	1836513	5	3
Verified (Factored)	2020-06-02	riccardo uberti	AC025A595ED6C21A	2	837876	5	3
Verified (Factored)	2020-06-05	arnaud	AC025A595ED6C21A	2	1216887	5	3
Verified	2021-06-04	ZacHFX	AC025A595ED6C21A	3	1046208	5	3

History

Date	User	Type	Result
2022-04-03	Joss	NF-PM1	B1=1000000, B2=188329050
2021-06-04	Miika Wallius	CERT	PRP Certification Proof certified good
2021-06-04	ZacHFX	C-PRP	M1841107/88373137/490006502967682585513/16624473822304302431153183641 : AC025A595ED6C21A PRP proof power = 7 PRP: Verified Proof certified good
2021-06-04	TJAOI	F-ECM	Factor: 16624473822304302431153183641 / (ECM curve 66, B1=50000, B2=6600000)
2020-06-05	arnaud	C-PRP	M1841107/88373137/490006502967682585513 : AC025A595ED6C21A PRP: Verified (Factored) PRP without proof (not generated)
2020-06-02	riccardo uberti	C-PRP	M1841107/88373137/490006502967682585513 : AC025A595ED6C21A PRP: Verified (Factored) PRP without proof (not generated)
2020-06-02	riccardo uberti	C-PRP	M1841107/88373137/490006502967682585513 : AC025A595ED6C21A PRP: Verified (Factored) PRP without proof (not generated)
2020-06-02	nordi	F-ECM	Factor: 490006502967682585513 / (ECM curve 105, B1=50000, B2=5000000, Sigma=7419939177948014)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1841107/88373137 : 55EFAF1E59822FD3 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1841107/88373137 : 55EFAF1E59822FD3 PRP: Verified (Factored) PRP without proof (not generated)