Factor Info

ID 221366
Size 621 digits / 2063 bits
Status composite
Value 620315162059234788485662975585344468316487805995384304270258453489380917595902773414081487594920288875634366442570380804736633790016436192809846819983592847065236502560553310981264086583027865433328952304972906448465593820736963047457064953246786747904546368606469087838790454300649139040526765796716885935128629922673194317025563569758797791656712019826779020957335272162812503150495070120521796854277494876331601587937499425697575591273009976197249648531987678358459380731282936477492365356511804372428824468782686584206014716361579679993013721572197399515493439659165327802441526110818090700573660627238814887335940939

Factorizations

Primary (ID: 221367) 1554256450055860576682647 (proven prime)
(ID: 221368) 399107342959355531160687414664901242968691424134856517753538530992698554953114051914315808834645181592184001481648897841554552253830998741324225221144796809876261024246719885620479418465764242421205916093011643326166244217088268472076430577136290611619557146021591839394877466106027861712929455602067920119028320606497997355674213298301140051635504443066890054011509738737629278497899427812661357106053033061188807439220641186509645658246169540505667123685356353674813437040786082904660907739576821987642483652298572584929503873057078189937988304680626362147747402176450364142473421474855367389037 (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.