Mersenne numbers factors that should have already been found by P-1 but were missed:

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By Year:
20225
20212
20201
20196
20182
20178
20168
20153
201410
201311
201260
201150
201037
200972
2008166
2007192
2006237
2005338
2004440
2003575
2002740
2001524
2000286
ANONYMOUS2,506
curtisc94
ahmerali65
Team Prime Rib64
Axon46
Stephan Grupp41
James Heinrich27
Sturle Sunde23
linded22
markr18
mgpainter16
arnaud13
Jocelyn Larouche13
Ignacio_Larrosa12
KahnTX11
vidmar11
Grey Smith10
delta_t9
Richard Otter9
oodaira8
RMAC9.58
Bjørn Skog7
computist7
mhoney7
Phantomas7
smintheus7
WileECoyote7
BranMuffin6
foxkid6
Roman Maznichenko6
Tha6
btrous5
Jacques X. Charles5
JMGarcia5
MadPoo5
Nesowa5
penguin225
Ryan Malayter5
Scott Crawford5
Team_Deutschland5
Tony Pryse5
twmoss5
Architects Cubed4
Brian Jongekryg4
cmarble4
compusion4
Criswell4
Dan4
Judge Hale4
lozcs4
MartinHvidberg4
mkroska4
monst4
NathanFaber4
Peter Hansen4
REThern4
Sid & Andy4
Smegheads4
stephenson4
WillametteMath4
amphoria3
apiela3
Claude Barbe3
craig k. harmer3
dave_02733
David J. Stucki3
Dmitry B. Khachaturov3
Galeo3
Glenn3
Henk DeRee3
James Smith3
Jean-Michel Basson3
Joel Armengaud3
kgg3
Kprime3
KUNCEVO63
Lawrence V. Castiglione III3
Lei Zhou3
luenem_m3
Marvin Ray Burns3
Mason3
metallurge3
Per Jessen3
Peter Yu3
Pi_Rho3
pomakis3
Said3
SMoffat3
Smok_bmv3
SRS Technology3
Steve Jacobson3
tkom3
tsc3
Vassilo3
Zvjezdan Patz3
Alexander Kosubek2
Andrew B2
AnthonyRais2
BloodIce2
Bobbi and the Strays2
BSGS2
carlo_baffa2
CJPage2
ckprime2
Craig Meyers2
CTI-Consulting2
Data2
DaveA2
dawilts2
denis cazor2
Dominic2
drrussell2
Duane Bong2
Dusty2
eipi2
Fabrice Bellet2
Fleetwoodb2
g0b2
garyfu2
Gregory Czajkowski2
gurumaharashi2
Haslm2
Hound2
James Little2
Jan van Niekerk2
JAQ2
jburkel2
Jim Hulsey2
johnguin2
JonnyO2
Kevin Jaget2
Kimon Berlin2
Knut Andreas Brungot2
kutens2
lettp2
Lewis Gordon2
lindee2
Luigi Morelli2
Malloe2
Martin Fuchs2
MCSlab2
McTheKnife2
medikit2
Michael Kenn2
mister_phil2
mucisland2
Nick Thorpe2
nudelpups2
penlu2
pren2
Primehack2
Ray2
rex2
Rick2
S360492
S456532
S4851222
Scali2
sirlpr2
spradlin2
stellan2
stigmv2
Svempa2
TeraTism2
The Treachers2
TheGazMan2
Thomas Schuster2
TSRPrime2
valmoth2
wbrooks2
Wizzard2
wuxiao2
zulian2
1997rj71
ADBjester1
AGGG1
AGGG901
Allan Sjöö1
Andreas Pipp1
andyhedges1
Andy_Truetsch1
Arend Smit1
ArtfulDodger1
asau1
ASTERIAS1
Avernon1
Aviatorr1
awc131
Ayczly1
B.J. Guillot1
Barbados_Island1
Barny Shergold1
bcp191
Beau Bramwell1
Benoit Germain1
Bill Young1
billymac001
BJB1
Bob Joesting1
Brett McGeehan1
Brian1
Brian Chan1
Bruce A Metcalf1
btc1
cc36mc261
chappjc1
CharlesT1
chooligan1
chris lueders1
Chris Notz1
Chris Osburn1
Christoph Gratzer1
Christos Constantinou1
cosmicsm1
CreweNet1
cruelty1
ctenzer1
CuBr1
Cybertom1
D M Willsher1
dakruger1
Dallas1
Dana_Kyle1
Daniel Hermle1
David Campeau1
David Cato1
David Hruska1
David Menzies1
David Schumann1
davidwattsjr1
DDeM1
Dennis Grunert1
Dennis Okon1
Dirk Zelmanski1
Dmitriy1
Donna Noble1
DonRober1
Dr. Nowak1
drew1
drewha - Belarus1
DrRocket1
Dry Creek Photo1
dswanson1
dwight1
dy_by_dx1
Ed Straker1
EdwardLee1
elcraigo1
emfdb1
Erik Oppedijk1
E_tron1
f1avalanche1
fazi1
FCG Primes1
ferdy1
Filen1
firejuggler1
First1
FLM1
fprahlff1
Frank Tarczynski1
Freightyard1
garo1
Gary Honey1
GAston1
Gavin Brock1
gdf1
Gedis1
Gennady1
George Vaughan1
George Woltman1
Gimarel1
GlennMaitz1
granddub1
Grant McCracken1
GreyOwl1
gski1
Gymnasium_Raubling1
Hans-Martin Anger1
Hartmuth Gutsche1
Hatch1
HighPriceRanch1
Hiroyuki Yasui1
hitchcock1
Hoang Anh Vo1
hoannis1
Ivan Stamenkovic1
J Moseley1
J. Brian Watkins1
jabrown1
James D-P1
James Redmon1
Jason Dickey1
jb1
jbarchuk1
jccotham1
Jens Pedersen1
Jernej1
Jerry Hallett1
JFlin1
jhalpin1
jhcz1
Jim Renney1
jinydu1
jjknw1
jkh1
jkolonko1
Joeey1
Johan Schrooyen1
Johan Viljoen1
JohanSeland1
JohnHa01
john_p_mitchell1
Josephine1
Jud McCranie1
Justin P. Rohrer1
Kamil Kosinski1
KC1
Ken Warner1
Kenneth Witt1
Koekie1
korva1
kraDen1
Kristof1
KYOJI_KAMEI1
LarryG1
LarryR1
Lars Lindley1
Lars Sözüer1
LaurV1
Leslaw Lopacki1
lexatref1
LLL1
longmuir1
Lupo1
mansky1
Mark Filipski1
MarkS1
Markus Tervooren1
Marzbug1
Massimo Cappelli (ik5pwa)1
Matt Perry1
Matt Schuelke1
Matthew Porter1
MaximeG1
mbjorklu1
Michael Anthony Deck1
Michael Schroeter1
Michael W.1
MichaelE1
Mike Bowers1
Mike Johnson1
Mike_Romanese1
MiKo1
mikr1
Mivacca21
MK-maui1
mkras1
Morgan Savage1
Mr. D1
MTenzer1
naclosagc1
Nefarious1
Nemosoft Unv.1
NeoGen1
NetworkGuy1
Never Odd Or Even1
nexguy661
Nexus Primes1
Nick M1
Nikolay1
nranks1
oblivion1
Orion1
PageFault1
papalanga1
Parkwood1
Paul Rispens1
Paul Shepherd1
Peter Rehaeusser1
Piepen1
pixelman1
plusplus1
Prime Hunter1
prof. Guidotti1
raddatz1
ramgeis1
Regis Math1
reskin1
rglarson1
Rich Jacot1
Rob Sartain1
Robert Binkley1
Robert Erick1
Robert Hochberg1
Rob_Dee1
rogerk1
rpali1
rph752431
rpilkey1
rudimeier1
ruedigereckhard1
rx73501
Ryan Propper1
S000301
S048031
S5037961
sarvid1
schaz1
Scout1
Sergiu Hlihor1
Seth_Tr1
Six Blue Boxes1
Sparky701
SpartaAlumni1
spica1
SpiderJack1
spike661
sssvs1
Staffan Söderhjelm1
staze1
stealthaxe1
Stefano Gibellini1
StephenCLipp1
Steve Burston1
Steve Corlew1
Steve Roffers1
Steve W1
storm55101
Sunfish1
sutekh1371
TeamResslerTUB1
Techie314151
TerryQ1
The Magic Forest1
Thomas Mullen1
TigerLi1
TMarshall1
Todd Walke1
toferc1
Tom Mueller1
Ton van der Wouden1
Tony Davies1
Trent Taufer1
TRUSTNO11
tscheez1
tsider1
twstdpear1
Tydus1
ViliamF1
VO1ONE1
wanghw751
Warped1
Wayne1
Wayne Yeung1
willreid1
WWU-CS1
xor37h1
xtreme2k1
Yanko1
Yen-chi Lin1
Zach Devlin1
zacksg11
zampel1
Zhang Bingbing1
_^MvIiIaX^_1