770 669 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
1523491768626479915755313	25	80.3	2016-02-12 03:59:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		David Slowinski	19FD	0
Verified (Factored)		Vincent Renardias	B2AEE0D7880159FD	0
Verified (Factored)	2002-10-26	Mark Outhier	B2AEE0D7880159FD	704668
Verified (Factored)	2015-04-11	MadPoo	B2AEE0D7880159FD	716059

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	1D5B09CC654F2C58	1	0	1	3
Verified	2017-10-13	Oliver Kruse	1D5B09CC654F2C58	1	653015	1	3
Verified	2017-12-17	ATH	1D5B09CC654F2C58	1	68318	1	3
Unverified (Reliable)	2020-04-21	Oliver Kruse	9682ADD0207D2B__	1	23289	5	3

History

Date	User	Type	Result
2020-04-21	Oliver Kruse	C-PRP	M770669/1523491768626479915755313 : 9682ADD0207D2B__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-17	ATH	C-PRP	M770669/1523491768626479915755313 : 1D5B09CC654F2C58 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M770669/1523491768626479915755313 : 1D5B09CC654F2C58 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M770669/1523491768626479915755313 : 1D5B09CC654F2C58 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-02-12	bam	F-ECM	Factor: 1523491768626479915755313 / (ECM curve 2, B1=50000, B2=5000000)
2015-11-20	Sid & Andy	NF-PM1	B1=7706690, B2=231200700, E=12
2015-10-22	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-10-22	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-04-11	MadPoo	C-LL	B2AEE0D7880159FD
2015-03-06	NR	NF	no factor from 2^61 to 2^62
2013-10-26	David Campeau	NF-PM1	B1=1685000, B2=57290000, E=12
2012-07-21	Joss	NF-PM1	B1=1541338
2011-12-10	Joss	NF-PM1	B1=931423
2011-08-24	Joss	NF-PM1	B1=465711
2011-07-10	Joss	NF-PM1	B1=279426
2010-06-24	Architects Cubed	NF	no factor from 2^60 to 2^61
2008-10-11	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-11	Sturle Sunde	NF	no factor from 2^58 to 2^59