Factor Info

ID 21355
Size 469 digits / 1556 bits
Status composite
Value 2140526228819878116179602407829956757558162748248341731998745494335173323152443980454306409182774243957733926396987325568902488674784504827752436006294295899533520510908284399541074186746371785684030855032162252290944558017759616919845976414854903415700698022140842137842844010767887402471350006357812466891571568577009184325582304321168926694814283528829214755048130678317362087129400953560124790519516191782633485569461608690988726449190153114797260296862480675399891

Factorizations

Primary (ID: 6676) 2047572230657338751575051 (proven prime)
(ID: 21356) 1045397176602994875160670958078832500915794622514467404248025183426617072054163620103543754787323647971051741248086392894236958455496429123945320846731925758582208014563221348742085232248495115684771373935172368917213208498736407519246160345473992891723810533847232924322475170601570872171399697717662443614519141861771460089396109387459996910553251641732815900942465940968931916985403506681070145404535064991857184948726857810424665035616682841 (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.