1 844 099 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
3688199	7	21.8	old
13830775693783	14	43.7	2008-08-26 20:20:08
27895907770515882935017	23	74.6	2020-10-06 19:51:37
118608871920464655436033	24	76.7	2021-05-28 18:40:47

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 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	C9ABEA8C7EBBDE91	2	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	C9ABEA8C7EBBDE91	2	927078	1	3
Verified (Factored)	2020-10-06	Xyzzy	ADD9F0853CFA4600	3	880739	5	3
Verified (Factored)	2020-11-11	Oliver Kruse	ADD9F0853CFA4600	3	1515597	5	3
Verified	2021-05-29	Peter_Jakub	ADD9F0853CFA4600	4	387119	5	3

History

Date	User	Type	Result
2022-04-05	Joss	NF-PM1	B1=1000000, B2=188329050
2021-05-29	Ben Delo	CERT	PRP Certification Proof certified good
2021-05-29	Peter_Jakub	C-PRP	M1844099/3688199/13830775693783/27895907770515882935017/118608871920464655436033 : ADD9F0853CFA4600 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-28	TJAOI	F-ECM	Factor: 118608871920464655436033 / (ECM curve 121, B1=50000, B2=6600000)
2020-11-11	Dry Creek Photo	CERT	PRP Certification Proof certified good
2020-11-11	Oliver Kruse	C-PRP	M1844099/3688199/13830775693783/27895907770515882935017 : ADD9F0853CFA4600 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2020-10-06	Xyzzy	C-PRP	M1844099/3688199/13830775693783/27895907770515882935017 : ADD9F0853CFA4600 PRP proof power = 7 PRP: Verified (Factored) PRP proof never uploaded
2020-10-06	_p95holder_	F-ECM	Factor: 27895907770515882935017 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1844099/3688199/13830775693783 : C9ABEA8C7EBBDE91 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1844099/3688199/13830775693783 : C9ABEA8C7EBBDE91 PRP: Verified (Factored) PRP without proof (not generated)
2008-08-26	-Anonymous-	F	Factor: 13830775693783