Factor Info

ID 64684
Size 640 digits / 2124 bits
Status composite
Value 1302664158933677106523580620607800493203241654049368740793920292164356133043852876801906277790909644452881750505074971833817060035353095108654152842634293163706976245404913518729757256826853785293791264238590053517163012411123045305788469814840120026188903141594975119338544430207666256521736156529277826314062446983835698286384128953548145863188803573864939348935545200709563810222100186351323957853829126783698084577357229238565945452460795416896435578520905084866702188532182089772977201270212135561643795028454120810605936145860719074963839896782505795967712161567911573537804989550342433433675892795101069728599823731705750294040882349

Factorizations

Primary (ID: 63506) 2617152229311584271947 (proven prime)
(ID: 64685) 497741073042713258488659454256043399450591920805964381428954165325933450673242756417326650103327045743794286807059270943807751214402188829872357316069327835969328999951247812286823652221449483164623129688686336673340341424944207576070969294830119505309321601745530847004537509798298855746759402103659833004317219521217967231217581847094730924425683593523170809541719378274493400521204710950601764807368909687775260149626007757413565239361135954773882297026215608162515026209511718424017921121354704877797926318011822587879687304302273843705710119919371659800383999981417954252506423364745385970298005038406291979617767 (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.