634 181 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
59698378235428827001849297	26	85.6	2014-03-30 14:01:22

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	215 / 640

Estimated T-Level: 26.7 ⓘ

TF below 2^84 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	104B	0
Verified (Factored)		Ken Kriesel	4FC9AC10BC6A504B	0
Verified (Factored)		Klaus Kastens	4FC9AC10BC6A504B	55918

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	82725FC5584D985C	1	0	1	3
Verified	2017-10-13	Oliver Kruse	82725FC5584D985C	1	425705	1	3
Verified	2017-12-15	ATH	82725FC5584D985C	1	220026	1	3
Unverified (Reliable)	2020-04-19	Oliver Kruse	E31F1B507C766C__	1	321889	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-19	Oliver Kruse	C-PRP	M634181/59698378235428827001849297 : E31F1B507C766C__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-15	ATH	C-PRP	M634181/59698378235428827001849297 : 82725FC5584D985C PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M634181/59698378235428827001849297 : 82725FC5584D985C PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M634181/59698378235428827001849297 : 82725FC5584D985C PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=1000000, B2=30000000, E=12
2014-03-30	bam	F-ECM	Factor: 59698378235428827001849297
2013-10-26	David Campeau	NF-PM1	B1=2080000, B2=70720000, E=12
2011-02-01	Joss	NF-PM1	B1=2000000
2011-01-11	Sid & Andy	NF	no factor from 2^60 to 2^61
2008-10-17	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-17	Sturle Sunde	NF	no factor from 2^58 to 2^59