Factor Info

ID 78587
Size 1020 digits / 3388 bits
Status composite
Value 640617744934356124733180417420275051907456463027851460405420699971609833720119479133308167576192587703433883205242113199822249447328641036734382138171712669098779551130955893990114118398794803094994155726964549867684977223070491177555587030187318343708076476780046643721243620728217113360965558609063522359759054264066781789054620205481613926438912628856841659066048982515794641167233251199714715915525270712270265463060380831454998179686154572428711587423172046120826496162455495065915351846305346090756255343375590966493441391835641953294463727796862512970977258505755377443361715146759957640166535798428203910483861750007985269285929320535675443726524558943630353168272915969495107433137637566842944240665782897151994493028735283038478531349353471707116766755543995184669621745419540979711525983577033852470990687469708397474763437501921836226775958405361539246094403528204078730426702626718797886761235421971426651427008357630163523092225155367513779798880496784286978314959956029862144063894197952431020943874789377

Factorizations

Primary (ID: 76314) 16492617608862490237522578465424837490149 (proven prime)
(ID: 78588) 38842696782717687197045983011911963017244028887155976693962974000009807348577861842936199981691823093114825910385346883266637075236211660813140036275802382805310509284573505079100561798266253410232895758483065208200684575936296815250052187888312478655011311489926132686032168748532423947192128052866476478440962212964355862458110328524016565877360607551863798567610521115511428881068834525477103800612611563144747713579356282189107273422949214811649063680354791194960926161660500874155675586810286244672225771365291671769153784393072087318179567664230109938983787336817529214081293094388452959780633330991690999030615038855975991787717649380159243163293200783133936479779614002597521525168602306118646333666705540464807622896099002858781186858908704260231658278293420128603780967298217594584644626609474770178219860929700220102475853269293572539147788071553395096369026405854641858224008142162940869439198166815561448520279271401228359139030574751488505669065130345382539641966573 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.