Factor Info

ID 156195
Size 900 digits / 2989 bits
Status composite
Value 513215127251601535860866348960242699192892152381244687027458973964121159270655511190054567697342409964851133176482578147032693737253469773852798874847897747861884730199620663185226789349000338415775366123044844360816548594083630434764876371537164465776512477355670570410717846550046363093797915269661462682970128586735153412765759472282956618705659436469839585767343661337052418273780002969390253656506534130762593841974574748363515802563859609279082645288968415320195741508514731028199447982539829980343273349511076638948752766249686536587771999684692940224195582699866140133655413653470262123730588011706871771779794915168881227760921019121671653693993034535878019203525855555862668127472974837096789035129977579935355464582952524742213465600572248179484615853139426105280067005734826765287314720578655085410438337563358029916147501271825308308484590276108736688968887228475367841729772341914480537

Factorizations

Primary (ID: 154589) 751670559138758105956097 (proven prime)
(ID: 156196) 682766034949710214791171874990734646903585675830683422102037506505078364267282564449675109217506370262827991798271330159905820142789132759519286264188138052261400717249525144247499291272955715071841284477601933791977015228012488254793909330843099388362786235463954766841095416548140162367223352417832386290001538933327131132964812636288161567839191419316240679268661246746821745697139098317095718334260371992840819824395397321454555449566015872957907226872895770374414015937733267432087445109295808019892607151538819291040659672454499597851035889658798550711322642385556423386803793331536277481611503446821105196381140255778014492098165803520582440385422433929733069593014562714018505983815797745866479726315768199005858856284285624364641393608388148669881617292994574417728532367953370370611982034786964719657659023529871159293952537117000601470566954388644252805136836282521 (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.