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Old 2022-04-13, 11:00   #12
swellman
 
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Default XYYXF Remaining Composites

Here are the XYYXF composites as of April 2022.

One XYYXF is currently in GNFS by NFS@Home (C203_145_119) and has been omitted from the list.
Attached Files
File Type: txt cmplist_Apr_2022.txt (83.4 KB, 44 views)
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Old 2022-04-14, 14:00   #13
ryanp
 
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Quote:
Originally Posted by swellman View Post
Here are the XYYXF composites as of April 2022.

One XYYXF is currently in GNFS by NFS@Home (C203_145_119) and has been omitted from the list.
2 hits so far:

http://factordb.com/index.php?id=1000000000044714162
http://factordb.com/index.php?id=1000000000044736161
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Old 2022-04-26, 15:18   #14
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XYYXF composites fully factored by Ryan Propper with ECM to date, shown as y_x_factor

Code:
95 138 137569872848618079168497788857665619070975508959085977
138 148 7148255126578794765422102122909172289268236979484218129
129 134 135670046698656711152317371191955389273883979954729787
111 139 2063202949990066743163751168921243267735542983816410497
81 146 103789758477794842211009755052743245746201848433761791953858611
124 141 133772128399353454302680369792367376604503532782027043821
148 149 164765011194494108378059619015812662809204025271338322937
118 148 3467745961171660748432832903372059871377664084616835703029
117 137 355804711213846224168595689144120149507294880133429929563
*136 150 633173149104321439701718688310849360699588006217613940817
122 145 95036826689253348122504549139573274683669492870863332268717
137 146 3118411803907757802223601737311246433663432677717416325331
129 140 43916092452583705950200190784289292829644462213724298857250903
123 134 8899027269008140316373707126027525152867402686853175806476907
*136^150+150^136 had a c145 stub remaining after ECM but Ryan quickly factored it. His efforts here are much appreciated.

Note that 149^148+148^149 was a SNFS difficulty of 323. Thank goodness for ECM!

Last fiddled with by swellman on 2022-04-26 at 15:22
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Old 2022-05-05, 01:00   #15
VBCurtis
 
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Quote:
Originally Posted by swellman View Post
But the next batch on my list are 4 composites of SNFS 270. Can you run 1000 @65e7 and 800 @12e8 on these? Your efforts would greatly speed thing up.

Code:
C217_146_130
2273736614959600102299788369214860151882556046845135920321491916509566649822233346525551566590304365550486243473007049647802844778464741732324121635941624450635826410351378351500756252260898809587472865957974314446269
First one done (quoted number for clarity), 1000@65e7 and 800@12e8.
Starting second one now.
Haven't finished building the new desktop yet, which is why this is taking 3x as long as I expected.

Last fiddled with by VBCurtis on 2022-05-05 at 01:01
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Old 2022-05-05, 02:00   #16
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Thank you!
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Old 2022-05-12, 13:17   #17
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Yoyo factored C222_141_82 with ECM @B1=260e6 when a p62 fell out. There is much fertile ground remaining for ECM in the XYYXF project at the higher levels (t60 and above).
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