3 310 399 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
1777692004043820444499817	25	80.6	2022-05-30 08:03:32

ECM

Digits	B1	Curves
25	50000	78 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Johnnie Hougaard Nielsen	CF4658FFC929853D	0
Verified (Factored)	2000-03-08	Upper Silesia	CF4658FFC929853D	2237650

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-06-04	ATH	4DACA15F89D8A33D	1	2467358	5	3

History

Date	User	Type	Result
2022-09-13	Joss	NF-PM1	B1=1000000, B2=118249950
2022-08-25	Joss	NF-PM1	B1=1000000
2022-06-04	lajo321	CERT	PRP Certification Proof certified good
2022-06-04	ATH	C-PRP	M3310399/1777692004043820444499817 : 4DACA15F89D8A33D PRP proof power = 7 PRP: Verified Proof certified good
2022-05-30	Sergey Nosov	F-ECM	Factor: 1777692004043820444499817 / (ECM curve 7, B1=50000, B2=5000000)
2021-07-22	TJAOI	NF	no factor from 2^68 to 2^69
2020-02-28	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-12-03	TJAOI	NF	no factor from 2^67 to 2^68
2017-05-30	Joss	NF-PM1	B1=360000, B2=3600000, E=6
2017-02-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-01	ramgeis	NF	no factor from 2^65 to 2^66
2012-11-17	Squeeky_Squirrel	NF-PM1	B1=180000, B2=3285000, E=6
2011-10-25	Aaron Haviland	NF	no factor from 2^64 to 2^65
2011-10-25	Aaron Haviland	NF	no factor from 2^63 to 2^64
2011-10-25	Aaron Haviland	NF	no factor from 2^62 to 2^63
2011-10-01	USAFSS	NF-PM1	B1=55000, B2=880000, E=6
2011-09-13	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=195000
2009-03-30	S485122	NF	no factor from 2^60 to 2^61