Factor Info

ID 21356
Size 445 digits / 1476 bits
Status composite
Value 1045397176602994875160670958078832500915794622514467404248025183426617072054163620103543754787323647971051741248086392894236958455496429123945320846731925758582208014563221348742085232248495115684771373935172368917213208498736407519246160345473992891723810533847232924322475170601570872171399697717662443614519141861771460089396109387459996910553251641732815900942465940968931916985403506681070145404535064991857184948726857810424665035616682841

Factorizations

Primary (ID: 16748) 1677756178117368440322458992363311946171 (proven prime)
(ID: 29789) 623092431568959174645157354738174804523163461858426544615534303273890093136232428026530574456030584098623973145012023745524480675461208377063503229064900686633712120056798248072491702723485637998565439516430722678013540849207779535591223490214605788305734678646697248832600518464024818705960690974413229164979940191508834231622777788635344758931973388877698414714769836532194612436052880202027350636235771 (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.