Factor Info

ID 128533
Size 648 digits / 2153 bits
Status composite
Value 736610665352719684939642592917638448305770762124228338892300879952760902028519802331331128069748512199088854984280533883584278160137730998713393581506049752810087552388535318022886048761277463474056454639686477966242887039012950368248466320721435903410571858472366252836131503602961766288817680181088795020706301149083333956113905432231902769797029522968743468424058614751403143676003439586626405108853716545109558492516453235937656351864110174878186904973240742792919524069400138524197472853992315486454025599490491405503635232803407574591423745766101269889875098240808657621245844576202269365740018019523222194525580518519081416480493413105007069

Factorizations

Primary (ID: 48959) 385918733767954387315099766993359114055265466586737626183722240700126525430781596085062778128461807732251558914457471376408533536795552163570163439662403332467617376806889258485826670559 (proven prime)
(ID: 128535) 1908719636802160795088792557882341116430179785322441268257948151683388828136430470881104919997736899765122253456913552573929218962043782496554961404228350816456216616682920409160770999117181746026205589784901844730083560605062145594138377377900955060357549462544652107028511861153969002265367408791693464852952720679206217567040991910842179013472854799290857984056227839559872904209824632192570218798702360013582449499332832246021560054130668201307298696972221891 (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.