Factor Info

ID 161891
Size 525 digits / 1744 bits
Status composite
Value 654641157496245789368166024848891530597188917069216497107710610515562393382274494046589191315849899233805636257769876095558365043979334907656594090240018768170088786897984724028283843913670705493154643821700290623573048136566095868321083543073405872531603762613574413195349256839211542859800103866141297334342359307793261373717225851586167750346277974381621566526754414496711543239939929821675757558474415202901523466031315790003038072495813020502477566371983699858820684335006162283452782559163996529560301904737455398705971

Factorizations

Primary (ID: 161509) 2259392108585955615437200751 (proven prime)
(ID: 194170) 289742163393654618226510665715893416956347279363697788195207371948952759006188638913468603960560432760557254486264146372129982346629976041116954078547529745491911528874821241376552210457742988944793428047054313209389463273950260283098834168638329093007451994071877387286146583177625226542742673838901660294412294823924367359408059887480648757886000782913254622632044749872382910107958591180519518044627310810511700811425810236069875711765352505536949832365183115179158969839689317317657629022340221 (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.