Factor Info

ID 168901
Size 645 digits / 2143 bits
Status composite
Value 972866002672580701514326596856141882870652898942169168731850876732084819612083943822806794276383097779306549600434631395987918724561257384855698019513638396805383739944780442016548213493853863620149271590924837179431277412212139736136114141354032512030631772785954131240661168593826873755891962338753947041877172108928233957042480896189056173306111880837378594645038216502421307291460420979369261507323406873162150991101217620150168570714136270918399677541969873820085118011484879992609805583759698110713524252679968398035795195293103448745210864909823722682637419489263448899131151569891352429011921519138689128339038744847860641018186655402309

Factorizations

Primary (ID: 167717) 379919184478057330357419845346252603881265273961 (proven prime)
(ID: 168902) 2560718285414117319729303780383881977123212473905331972466022280892614506367574579419479553429439780106215593112671269915004186121364816121978291192834944607130526731433449670856853943730488389684388706204435137867170632868596706537715445949833714587040098741208470132401143807159689168227206529568626396479189509743845808210894066627266212940713235619454793422801952682759916934952332925822618858660367271554306640690563992917884454196603765919369117311699458326972077533050530326717398003088551302302286222854591337703004963801537694754621343413075663962842120476154671617017002106490270179859069 (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.