Factor Info

ID 16247
Size 531 digits / 1762 bits
Status composite
Value 210866622006215467018668365267997147609151310935097624212527489924414746674997354725994684560322544646624914922408306254663239353588291916822801262413905134238999056781462920591769683893337244003203922788388714323576520513896333630210252596003285288485784336948852842801132829085393664096230131568121219259966284791920768350415304228958592911203792858889526158036567273264152835539491059788812967030942103175998050044687508367051917479299875045269454243967008525558798361286167149954578309302521416418408629235357480468151760698811

Factorizations

Primary (ID: 16248) 5316002598121232833636704345539759903017424645419351309189390398619467386821680502554654552190638909683 (proven prime)
(ID: 16249) 39666388063982394312881528936212791750381520649008524675603027827056949659161345121633746301892091475426166140492277555533085079909387043480567311584973380008525372557303844437254635818531556152370981707758826308244778852048425748457187550819382384377934162297330217136677711546245464174818285557397702314857189804072673859287065628342392715449478885967272318335783038380470497902681035037730251012793977863409192982058150267417 (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.