[URL="http://factordb.com/index.php?id=1100000000509372111"]P118^3-1[/URL] = P45 * P191

where P118 is the larger factor of [URL="http://factordb.com/index.php?id=1100000000007804835"]37^97-1[/URL]

28541^47-1 is done: [code]
p94 factor: 1612434472032983656459065103167762842868355124348913563692827517383977034886985416303220821811
p112 factor: 5547734620315930242740894128705774820741614671978648864270811608570404997815910630646429815277000297611251925017
[/code]
And reserving:
29633^47-1

Chris

By Ryan Propper

[URL="http://factordb.com/index.php?id=1100000000529393598"]28210267^31-1[/URL] P110 * P115
[URL="http://factordb.com/index.php?id=1100000000464500643"]118801^47-1[/URL] P58 * P67 * P110
[URL="http://factordb.com/index.php?id=1100000000422784246"]10271^59-1[/URL] P60 * P174
[URL="http://factordb.com/index.php?id=1100000000464466223"]10651^59-1[/URL] P45 * P87 * P103
[URL="http://factordb.com/index.php?id=1100000000507713671"]10987^59-1[/URL] P76 * P159
[URL="http://factordb.com/index.php?id=1100000000507713676"]11003^59-1[/URL] P84 * P152
[URL="http://factordb.com/index.php?id=1100000000507713688"]11117^59-1[/URL] P51 * P184

More by Ryan Propper
[URL="http://factordb.com/index.php?id=1100000000507713692"]
11131^59-1[/URL] P75 * P161
[URL="http://factordb.com/index.php?id=1100000000507713711"]11213^59-1[/URL] P114 * P122
[URL="http://factordb.com/index.php?id=1100000000507713800"]11909^59-1 [/URL] P39 * P198
[URL="http://factordb.com/index.php?id=1100000000507713810"]11971^59-1[/URL] P48 * P189

Ryan Propper cracked #2 on the [URL="http://www.lirmm.fr/~ochem/opn/mwrb2000.txt"]Most Wanted List[/URL] with a P73, the first known factor of [URL="http://factordb.com/index.php?id=1000000000043590335"]11^311-1[/URL]. It also starts out the 2016 year of [URL="http://www.loria.fr/~zimmerma/records/ecmnet.html"]ECM records[/URL] with a whopper

[QUOTE=wblipp;425639]Ryan Propper cracked #2 on the [URL="http://www.lirmm.fr/~ochem/opn/mwrb2000.txt"]Most Wanted List[/URL] with a P73, the first known factor of [URL="http://factordb.com/index.php?id=1000000000043590335"]11^311-1[/URL]. It also starts out the 2016 year of [URL="http://www.loria.fr/~zimmerma/records/ecmnet.html"]ECM records[/URL] with a whopper[/QUOTE]

Whoa, a lucky whopper too. Nice going! (Edit: Surely the top 2015 ECM factor is one of the luckiest ECM hits of all time?)

It is good to have Mr Propper back, yes it is.

[URL="http://factordb.com/index.php?query=%28585788664778334372617526671261016323972647025626631922122434641129935519892718667^3-1%29%2F585788664778334372617526671261016323972647025626631922122434641129935519892718666"]P81^3-1 [/URL]= 3 * P47 * P115

The P81 base is the entire value of [URL="http://factordb.com/index.php?id=1100000000303176038"](30697^19-1)/30696[/URL]

---------------------------
[URL="http://factordb.com/index.php?query=%2887335884880692382848337778139334223176662694415251169317857028701955889138119347^3-1%29%2F87335884880692382848337778139334223176662694415251169317857028701955889138119346"]P80^3-1[/URL] = 3 * P45 * P116

The P80 base is the entire value of [URL="http://factordb.com/index.php?id=1100000000303175536"](27617^19-1)/27616[/URL]

Rather small beer by comparison, but 28663^47-1 is done: [code]
p50 factor: 73777349620669427163171937178818939977655591296029
p156 factor: 147532503329466137648148272499690148243156945637124783911468351270064775611259578669752594688278090485584011592366991776011909264786202277729727890592095117
[/code]
And reserving:
1987^67-1

Chris

[QUOTE=wblipp;425639]Ryan Propper cracked #2 on the [URL="http://www.lirmm.fr/~ochem/opn/mwrb2000.txt"]Most Wanted List[/URL] with a P73, the first known factor of [URL="http://factordb.com/index.php?id=1000000000043590335"]11^311-1[/URL]. It also starts out the 2016 year of [URL="http://www.loria.fr/~zimmerma/records/ecmnet.html"]ECM records[/URL] with a whopper[/QUOTE]

Should this go into the Cunningham tables as well? That would cheer Bob up.

Chris

28901^47-1 is done: [code]
p97 factor: 3811327877273220468078039214825409081914025363456526040234383839402376156625088353144181415992797
p109 factor: 4177637329867970545915876582143590345808132126883787683334967733804790310089449628177688885642501427427053951
[/code]
1987^67-1 was factored by ECM: [code]
********** Factor found in step 2: 5277405976011698643179602310713131015786566158378333
Found prime factor of 52 digits: 5277405976011698643179602310713131015786566158378333
Prime cofactor 166373610981355201199704204217053067809666040177340135944323095024706042639661322470552253301897232689647286951796045689160236220116665971318783053765284536920993 has 162 digits
[/code]
So reserving:
29789^47-1

Chris