Factor Info

ID 131621
Size 669 digits / 2221 bits
Status composite
Value 318741458132068502741784581324587278381170579104322141768254129838770132449379895688747289125732010640967023832255471545312295315838669022312084016690592404154051029440324661031423072169191285210000275477281143398182789849159834659786266257035881195659257798696535157010542633104701173303644120370557735726795301278395580487792367708775421185950186883883845665036200813022586752905944323321480293987489768494008755039233966299629345190475063867899849904630533888826427795708358299113659362288744743783221755338330978667495635845035534592539850854906202986939993184424726375884031219764641682911170466028487159093370898319146446788339992508881458155946501009742287668153

Factorizations

Primary (ID: 48151) 3220521406707044035307791362467283516256432118763459489218010449257969455989347 (proven prime)
(ID: 131622) 98972004181763522028460909189979225424735878189626918038056123927139382491771115882451406043993982541819312435332962934834207291807345133266186360725191631870167143118569622404497727800682206896024784179283558535316792806649479789059264677412726735886849040968608740141249791699208391325612774313092824929795767866220226084312415857449859427768815969397639559356212027463834529765062007371377298738025008067754771797885682600137058746692721822570110474331992582149352580903297738658295196681525197642317421685876939190404374513016815158776897066710244099207740419456948435599376296428072499 (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.