Factor Info

ID 64868
Size 571 digits / 1896 bits
Status composite
Value 3631708988955716254318245424867746616257167138321994281009604852494914791028248478116785069438117458945145853186030649443227469780796055048985759987894501435005447057776564441816556908614236908473357179143536785261869854451644072058244404448843932697179885260585864225623554563972089213330748094817444193635791053567216359604090605775829514056619976170969023774052705731336626590427629272172749593560805442187296279071589993553717867524908380933531871289805933800232237961589987025978967863270444882127566469610275068601464261986856502217367670189818635218202604086168571

Factorizations

Primary (ID: 63366) 512718953215732865581052501 (proven prime)
(ID: 91386) 7083235301090243888895556198207465822911823614995453848371859227615501181309998711196422977866348437348967367245648731180719999079290560699789474556313184685065495372806359104623531507293246800536341799611038444195440345278955176887554290413893895172113333658689254095791757585651563443975824901855558757036666643323024179411356726812916087995299318660709511930262376000889149249921095457447722341479730993142411548849664745548581579444432019467841867927896195459982092490332194378500337028771458165696774835991483988262343170120099407428941071 (composite)
Secondary (ID: 63402) × (ID: 64869)

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.