Factor Info

ID 147969
Size 544 digits / 1805 bits
Status composite
Value 1637279948902345820975086515577189934421809494472902934368741676449858318144305030829714286953382895397706861347070477802617302489962078230962775167532680441607973297906815657737286556911386825437232945885882264708530527863275040041438831208683471743087048532222265928838511818754445030961645701616276941308941368226874196611532277057381673714821221018576145402227021621632825169613427021389715998203654907218812108100799448586930712441242393758361038678903751474997709771068394048277694466098808696212507880307684800298513380920028078640229497

Factorizations

Primary (ID: 147970) 9722752709431437568557001 (proven prime)
(ID: 147971) 168396749134030982272080013352180407492374329856049631612239932286405753310055126553456381054170595877510810555061738506740759783812573136726619064857862506155549624483181538074826105384917678730384352426785081984106715116835098635926155793927753067205593666182484376021987544073842722938631010776689054043339285348121132487283837284467678536588107412787124082122251607798032679182767199936964548134863054052936179205201388219415932879730033546889028716829521755953968524385902274476944703424250718388885766465267400497 (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.