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Old 2020-05-01, 09:55   #24
Branger
 
Oct 2018

23·3 Posts
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The next one took much longer, requiring 140 SNFS factorizations, but now I am happy to report that

10^167-38903 =

203295679518280624355545616168150860499969671339902409710914658195811040122874591267 *
491894369014408217255986821288848144293491232238922901468113805403238598987818347491
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