Factor Info

ID 153247
Size 687 digits / 2282 bits
Status composite
Value 715711043168233583591267825661000466835698837419341029508958201368825549456670493654547294523203754098536871981839266315634051327357062864967332826067268360990759926035028339338651141620884611046866733070977443445768143502219839476748792691462265002864865280425356439515400387901439791603152662702812686018079693508402239154099888666128317096170064381322888836930411034998132782747536034996155412840408945090638715794871798734861819211317482069242339920219499456375650641812883049811014678691598709149112863364183632726751117176046812930460080486894003802192552720377523060515144943441203858159258953990010979272179046029726741522467463975193661860163889658809551766316547278328296249497

Factorizations

Primary (ID: 152131) 14198139768945840610067863 (proven prime)
(ID: 187329) 50408789800311458878840258329173375994278433998732041934822924630346623984614413902796688803459746677147011684637465595585070562859408674134004111592553428051786396470127362477994564428023235068334818930343643439403699104703857568376276386244235847700545216442379304047041003680784576516232727787253204348769802227015292786727539458665610908669921058292293045794752185417842307151904189844483291662585455211323484207481840220867854136207919886759045651793073314024493512764073053069803871847247810021718759837250481526766917005823669631732946605911382695661712966879453806374254994704177802400876927690285043491082164875642971148270318467479500054246384253712719 (composite)
Secondary (ID: 152371) × (ID: 153248)

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.