1 468 963 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
794664191843452484127491471	27	89.4	2009-06-06 04:49:18
3085683995023346665933859543	28	91.3	2019-04-26 10:31:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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	Shift
Verified (Factored)		Doug Fortune	09E6AB18497B595E	0
Verified (Factored)		Simon Burge	09E6AB18497B595E	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-01	Oliver Kruse	4B31E0C95B910E94	1	0	1	3
Verified (Factored)	2017-10-28	Chang Chia-Tche	4B31E0C95B910E94	1	651385	1	3
Verified	2019-04-26	ATH	3A370D491A4AFB0C	2	339851	5	3
Verified	2019-04-29	kracker	3A370D491A4AFB0C	2	1122185	5	3

History

Date	User	Type	Result
2019-04-29	kracker	C-PRP	M1468963/794664191843452484127491471/3085683995023346665933859543 : 3A370D491A4AFB0C PRP: Verified PRP without proof (not generated)
2019-04-26	ATH	C-PRP	M1468963/794664191843452484127491471/3085683995023346665933859543 : 3A370D491A4AFB0C PRP: Verified PRP without proof (not generated)
2019-04-26	TJAOI	F-ECM	Factor: 3085683995023346665933859543 / (ECM curve 219, B1=50000, B2=5000000)
2017-10-28	Chang Chia-Tche	C-PRP	M1468963/794664191843452484127491471 : 4B31E0C95B910E94 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1468963/794664191843452484127491471 : 4B31E0C95B910E94 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-06-06	axn	F-ECM	Factor: 794664191843452484127491471