Factor Info

ID 172665
Size 670 digits / 2224 bits
Status composite
Value 1977648087877165955329559107097090186489795609169218063431331721330829076336853951482574931593935294418779735571227820127535374519196411115530813461133045362977062540512700857545781748977779168052196527504362407864151162351287270140714350730981127961131700692633453546520275948172953239897315779314147011003727465313787539616819485460202422555386773663501667541315522890762842607522288949034549035894101649101363521914950987552669998451945174129473283143471154868993301010633892290521281424439592177844800451914275648709097696164972879207854620333227860890640588105085396356392564314375524113252619095811886839113469864522663765716135127393630614986034217179122960925261

Factorizations

Primary (ID: 172666) 12866758970869568035658946557083 (proven prime)
(ID: 172667) 153702116621176708628642334521264447516368863253342018260738118311254318601801485087991938604878994731812079126851547030073953002412861874369970086763413388771088153966397384328220598352492867162195497591925333617285396810182242009774163038507924996425122577156037808071556240382362567973207877703981685645798330117525387117238895823207968330200156097767632843689599414278999701383731912727522730113039722492093664489227908817121482941025979566958596795797164960774095342591419715484661317320902201590392196668717465853267923492177323081925434760808837584139593174818605466367729885915075414195959997304156501208506059045476946447346822967 (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.