Factor Info

ID 151161
Size 645 digits / 2142 bits
Status composite
Value 370919687218189345165034913135363874893237099448811783823711962589244093887161683788140839384040081338626366113143370496726996131131531808209743930128763966635056182043173506026164372427874283847979195894648934175833461538528020153909652417013623537596394413906611550304843005551214029647725438921742688580511797020900908241091755483995552548466495434371705878228938449917445356207179823317011521275497442827401503199957412964212431606071021106399944246069299607914977638765254817725344590751367229029753177349122435537208589757358434396375726626621085382336150716605363115739391935650079867203457728616117291053271968885670865335592780870606017

Factorizations

Primary (ID: 185292) 419352948368646421898688503659489 (proven prime)
(ID: 185293) 884504779711527920323794780877049650688906713327834446682897062043929362018234558597859751967746034108121335747117712875936006442104874551889809344630767047395641890904601799769847039519348190619304787519879153298494193588499148842991924107296902697747248843961095992605097664551028668497393329450207692233320885985394988233136113096798716752835509044669262528177176779947188511177259245300593437838408423308154823140738406654723553573094059154857492826085050891563053473043068332637016511070863138030464261313247032024152018317531352552936250883122689204371445871293026788550097520893977957133064935448566217953 (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.