Factor Info

ID 142721
Size 966 digits / 3207 bits
Status composite
Value 214148185265231867535014149404191400638817437955992568665769256750749213797229166556436533782626641119670457963700046243675564822410890343695432995861811904784387132008951527302462850677562660297589959021388464780921385144173145054198396932949085207853611513064499537856865810681779190684326688363522240591200166728325119839166466956562200722050066054236110562127921045794556836088828298034556842194719415028154367389694645073292521055920024922845469323993275143775245830926534862790060676734200158965139488812314100687587781572532356832729276635816652699606631981266430568399353511903049625651949173094425920422502599229190988053783191324179159414329037051272624542461999821218757010459703412313565877271330774200340613331967361647598226981440004283820073387026359622367753948623285137995363956081105117802178131929211141143984614378456138785871993872255402636733282177300060857299244269607884624533947973250731233346075287883027981189100137470267262665427321306783

Factorizations

Primary (ID: 16569) 1663887084465861537223 (proven prime)
(ID: 142722) 128703556427915532092343771588561800277548428277214483032021995130152832661779798979250874328576074531265019355042908159342636985200084676301067583940948605003800982942808498675002444572084473723792565757431836034124103263173600320861648663390352710749474461529376406151254397584811484705128939856669937223424949961141392119428991197187989517404015225077296240987537757683287020881002119318938769484478872280916748020048507422025629333672044077816166084597855186430554652954595218090002115560064552699542277775499242179714423292211236595352304226836630360691806939315788591041290613832343862359191312875558043590863991908953748392916645682819090295929065079394935855881592059209876857177166563572218366658143234756153535150314271087801205794396436428741203350106530624916064394961407461476145012444946684591555374912154691804122533273667635625656568046599004952596992112369228455303586904252741877869516490527557071208781275957570604710053103721 (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.