Factor Info

ID 51656
Size 611 digits / 2028 bits
Status composite
Value 21068139406903787768565814482222535012973489958122835993003953639870147880168474450247832774828880813150493913580426822875888444870510095414135130581695376657400603312679581309863351456013018659387323063007053939901204416862866597201031968353639338742751695019398919015816794099355036688634956353007215971398288321507430031468435893789985844330953611819260052001600286616177484697745311214493741738292809384566096072462770004025602128699001623785224698983053177717755224936646519563777768283410656784130075398468638270521618079091515516195524449496076534422598870830583363063362144605527271402190496670884479537

Factorizations

Primary (ID: 50802) 161753261513859518368781 (proven prime)
(ID: 51657) 130248621942616004687137118094853382178897395848277242816372326351779528385766174243220371055594425828314765139125590208718341177561233942551603108481871649174860097446615096459530455224238295536419199570086625559001712813762994424403877916380581337859366942261784162255173046116424181791503315004078463943598495950882051800111999879069932911948626309238449089276076675733722991722876522337934959998433607716358368646128461601855203007006324916188492388244615192214270009311941752178443929862117695945788312743899955904593289996965092987330884326531532807344638064667243939172492933591477 (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.