Factor Info

ID 128628
Size 838 digits / 2782 bits
Status composite
Value 2187701120760833511933187087651411153320307609740657731190026847524785604055993071851146125969482372256017921835671521024839408245728016444183407118835911990401976633504594110914187075231538971592131281905412278917423457531229587730158134252496170560441842639489038712072162126192900394271764551628110498398708167435827175654013848305362804653354611214954114403109552312314823192995807506604960973584967524089849582145944550541371362203067147287525479352432127661269211445234793250062631871687859467582248691424160537066853053295625560215410339142272003322550361894847579110863340781733654035798834010257918087446392067883751966971565215840967451664715334305421707568638563186467033505504978307053780445057822610584470873342607443299617043684089605468315105103088958075532416294258382266161170422385832207222897241227746142155462263347623

Factorizations

Primary (ID: 115363) 625432789626931315247727532304258729 (proven prime)
(ID: 128629) 3497899625738826908488500184506734119048307523117767797829825573288113317454226921135364499900054242937909772038501742717143235675722520842310086150931626706428233423367055283671757845542958302564744385391715452882941661229746209690624155035528680497961565995084818555185947161269498262711668134584925792067673188418806267091456480296693211854126661536265227248834745351009090418166923260732800905063581832056573235968833886963858221861497060358818710532353073533681403762890205826483865992500628326380230578197374651948944928418186027537607503216043049586837313289977813250902449913141436037254227083349569449532023864436853495022473197244372270359700849734368285546457334984792712193730778530812642421633874555560967150067862325733052881775764253658383667225231464057444870452418733980728731235495887 (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.