Factor Info

ID 131189
Size 810 digits / 2689 bits
Status composite
Value 156547906323432905805920512850878392320725062711777840866363519052834845766384091362443906007925644906644021078970409681511915092476966954807471311270723642663394452060668916929130544579247859904403153447822871995133992394708072998889186503922941610974016611414212239080262915249735141912014099135798226515203157789315788155291946526521035551956677253278184654695794402502851080087717649090490041380902675003539144066936695947444368660353833835636564486005046046612872512411674302130927662705030554750568319249837820879206032244032400414952979893642059191224425277617981642305995472479589119313375888926666548061351431548794744251668734305443420382278382944596717530904796983856581309891935096554196152919035494223929706771520078150420291611000786889216071221806596367018992974085883348689970535982792685914529

Factorizations

Primary (ID: 19) 10157807305963434099105034917037 (proven prime)
(ID: 131190) 15411584568209611228854318920055182400083371931768076042031592144046896582445939176437836221120452538994544047803115758286548771171321371099068819755821662245629223018556028305209207412936184558724801160957232103545207738220591980244084647737558733464405323309510437354020314345795029360621561925696128775170493166133414819294058416977030642867170205631090949804722601846133767162716565891273813355325206899396064843720842651066186683981264970466656108550320182126507578206782533844803983787111585705152558000107339900993048149800751588670790516729548181847998362608461859478632631312337780765615500226994495165065112072717819710406241804982017089024249473659097892473383701968317042961330485275974853786221472558210112150401116119051056219196177093442089541035183544814959227717 (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.