Factor Info

ID 31381
Size 524 digits / 1739 bits
Status composite
Value 20770735337932844991741355749842991155012209399438117884680824320963801265420845771862645355269061822844142495783118075121014306257129506729661096697974218737715478079212947898937771875823373292887208984248305516285419178670254848491436414369392900185279952357788785853776312166977546135686970945839105703813339129786701371134567631582300180683590448105970640496696293612000098438999687430568193105179196219847940959654144543371944818241450368298254060817702958130624207873970546938816026526715863904461278336995785327391771

Factorizations

Primary (ID: 17100) 4956504421137000338429923175878885954098593563 (proven prime)
(ID: 31382) 4190601596027252117094529674299802367311124438050742918439326390496020471256307218941384245124699600765053489004517885400697442237147980258568197548384250791551742981688148692430900160918764816335597699068763086592087720845367414712466209691691517523284031173009724734117417003237851757589453858221863445424931897976675188129000142368539760176832373754885100067366419445901686335903367417954946279400653195143460559943151730766106920239678064348493413365598210218867950772252417 (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.