Factor Info

ID 142258
Size 1026 digits / 3408 bits
Status composite
Value 437980246730283362518647708521487178108638090861149937525367979594971357260330936162157852702154266439545417313268136219350016553532845237626064161733906740607395196805028029100063486482062775907491636781477453510464710158319238714694460202541431267017561086717960342712754230084109079355639183268349153210022555546535598558248101818294885915788471112109462770908282786724086527828741814302731408374645238450724186223882606538364195805419003190415307665140587416561789737092623109352674370524948950618385933676444561502763263520002607258756011728602839518205577853862194832747166914219226402166421209002424036836681755068798758269959910898682770564429654063635581975453073812401397649284337796629872956757599105426637665303446687005933343146312694289598557461771413133713483153053320427161536379389389862026015709578610062507435027628048398918977233180811045452953122867318903290996129436674733756312174124023770840359888588078668811414025218446350399077339248682531043874931743942594140979358144495625998176821486597461703253

Factorizations

Primary (ID: 29516) 21047549555937172491372668771843304031 (proven prime)
(ID: 177731) 20809084951494328981114032489366749796429937287289878368314251582162011268801479057660157469708107994083240530161880399153010193815315480610604486389767591627687035428037114578627204393037378682669929519747608849376427016190270506037387364861310785515121785315879973164739632549525237839838465042416684960971731249559520734863701270362745604061834414608445332115625402349003038907557293605200488400968415509196452022184165615997614121263526176662977130539780298402077650019964589908647561936675292096039780893074836480036429337741256450983166546684497214936421580459729781106810643638392378839953781033727997224255569744572454609361569848507565265134242075813539338098569072730987559321357087612843705393732776469510164767143598788427586011483257194283549365739315938793070428262576306639420464062413312247194229539365570170872896664123251441471450399046162080618384473641715656987061344084342138238816243563404738456107384599289590616873260023090008880631318051007210841981986464638140363 (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.