Factor Info

ID 178027
Size 641 digits / 2128 bits
Status composite
Value 25537408795170485001854108680533612952295545651865153600720688932374985178153437520336207015545698416268585943934807174059239071357700941179088908114449531168288483927247776757398465376428114636662471863356614429529063476962095564918472370368983736709433439015165086502403998650428298583436518677926493010873253748665212107547501942776190050597264433137561215329487857794427590668656769859966102108405483795138381379934004709326625105509191719424503891372700454138216128925402223598063246045928905505740979945775975306034441220566446354226857535069253172693560355360535895040943864084340510111186111666249352862580474324711586242861615974431

Factorizations

Primary (ID: 29744) 2552600789406817216543085305668151982866216847101400563370412871 (proven prime)
(ID: 178028) 10004466386263620258402843955047542413057420392954514128528431459200114631926991200478361936940099126080980291369949152409103393410082853585509273664297830766739494199501464266164612991478357219247147163964398992609062803873447083872750153408274473575287281958990284316328137884782579430454922794574091089018742471511135581916299142042630750979867718717415153112059043425228596938274902261222900598941485991992917189569560571274088560963760248155358531978242002944674920529186295562088130654365822318099836233503524046080188247324408979620818939535304635939356170673814172768361 (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.