1 845 901 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
3244174699303	13	41.6	old
29989412207634239	17	54.7	2014-12-11 13:36:00
129834607208171422489	21	66.8	2020-10-01 09:29:00

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	785F4DB9F32AEBD8	2	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	785F4DB9F32AEBD8	2	10471	1	3
Verified	2020-10-01	M Miller	C6A7B80975750B08	3	744998	5	3

History

Date	User	Type	Result
2022-08-27	USAFSS	NF-PM1	B1=400000, B2=431631816
2022-04-12	Lisander Viaene	NF-PM1	B1=500100
2022-04-04	LordJulius	NF	no factor from 2^65 to 2^66
2022-04-04	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-04	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-04	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-04	LordJulius	NF	no factor from 2^61 to 2^62
2022-04-03	Lisander Viaene	F	Factor: 3244174699303 / TF: 1-61
2022-04-03	Lisander Viaene	F	Factor: 29989412207634239 / TF: 1-61
2020-10-01	yatyatling	CERT	PRP Certification Proof certified good
2020-10-01	M Miller	C-PRP	M1845901/3244174699303/29989412207634239/129834607208171422489 : C6A7B80975750B08 PRP proof power = 7 PRP: Verified Proof certified good
2020-10-01	TJAOI	F	Factor: 129834607208171422489 / TF: 66-67
2017-11-06	kkmrkkblmbrbk	C-PRP	M1845901/3244174699303/29989412207634239 : 785F4DB9F32AEBD8 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1845901/3244174699303/29989412207634239 : 785F4DB9F32AEBD8 PRP: Verified (Factored) PRP without proof (not generated)
2014-12-11	TJAOI	F	Factor: 29989412207634239 / TF: 54-55