Factor Info

ID 157473
Size 646 digits / 2145 bits
Status composite
Value 2689221705951072263555123003266272021518950234392252778243324467331217485329851902794415022325822501093696033282158782836885408791205627432244563396088609129574376623604616667650534595103841006536318071254173958992467420752518174544662873820438577300778771133629895289813190545914438821164801632070690384593364217468673170430286359276507643612720868816596087046814244922422252706291938353373181512373411289603197348879496329141262213041286376151346550185995079278825840874549297968557637536002500398833547159372919805701146733886811639136087369713790643980356101298034274026840384363689041157052161497133338119075688807100541341334209666605801351

Factorizations

Primary (ID: 3143) 25651395262318407934919734781737797067431285390452848441 (proven prime)
(ID: 191613) 104837248751981406027165761634032874971893913471513391429918421286440374794926164241328675082079135133001802179456917130736837423915547791783753984138856893875088344479294576707534158785528335556617453267015865488390403124920545421575832978834911269035388815683476185539544210962171035894810658462908707835722747377055616454646492128928783391356098732200448074297721420646893986451157437289815273220544536381925173440650542487044961667262816127829078463436680904186795076702581190671999332865200785647860026978921699755217111575321941664537203174209868557117677488465555891420127364367928511 (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.