Factor Info

ID 161917
Size 659 digits / 2188 bits
Status composite
Value 31304988315944784996775726564732988114337183379565844250848188893829231498461862117590593763159705421230896595145701946141965786095611255373674304355145232234666142228658236247194550623236646055544750083501903809971228676919639817751605276263779161859862752811695241686427414119313404638164253838495635904085120046940415493637537336653004781551372028074977916312109540260055023834684581630772551075166903681142728589998301067186277495740404969744644799587548338609591745123770308768647071319264869191360533475761671763738840287278696435214563222621631664497797501153557217408729426319236125330629652235951971771972645200001649705787956619539336392626813779079

Factorizations

Primary (ID: 161918) 231722121710782761194377 (proven prime)
(ID: 161919) 135097107193836233339880727419010668130637301752005444412183397133914254896500921896442714394728145570300281975986553189945339319704255966267529219856544411405900925628056682516659505886104849641794314251051058580999509691038580499226504043124135274129812753344662412578062265955530993274006939322320056615506960750801417322223960049938023405459848999193308758551082394138091561961138373249450016446872095057472847852534714918487787493528186498010304763175090243821827292199885386127220236812311286912402248388856260706882507064676069376045457417412271324471373785847239975869344168784046892931293674068514968876939469958527653531171727 (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.