Factor Info

ID 145442
Size 1300 digits / 4319 bits
Status composite
Value 8974778256515009759157480815385136816075102884785947460629683432622068973991215535656491923848794235254372177738216339941414984463575435242720182593916035207753953253808588749027705835826786918158304364181257365437723314305075483895077855249797801373960312336600799193647193382276745109936097852321241247776744003277520736924206098305372568934002456487781385609789723582133935586069292274952217708391164916076155911237468661260809444195394375693193038070993587360735934674822650519982701841322271789272003288333219717162586192427112744306832025413744280272021686452657117531534962945653599754995298749113221877164636326749449457744968188098434643579595215274619516825100574868532319835829121274362204424867867710327646732202772263859905734285646564124553941132363799388621757236206350373904969427162381557711392475158934267454428219379314047264953821817949819854569358981824532478763500991960582524952333287531247623866693072061026143235597058773500117748478669100311318988622409926742802598202850351847661918739717202603199654087047176528900920041332493291616494882440073356422751905130651469240406632294399819848622413852273295335532920145691822030169924359657371643456488936234656631709689740653003714739122249040173769980968668439963259744403019224390814338391276339249315473302027887168364192901

Factorizations

Primary (ID: 143161) 2270440490478175159386113 (proven prime)
(ID: 145443) 3952879757982487729000139952737124459335793854552459934094249991653649332475369106081469210080259640328298276759163244462133364614911420263550814594096456288278211657269308136211636964926823244949731958058822689428115593513315332838039252548136039201106899180987925474199208884837407535458143047279129356330740833254966576654818480894513180525690953498054574715446411017319208500716161866562705566504756524826789426805139527602547663609914047745088173737924183909169618305053706255596739519208364957553120423184986755149107598241242323342652541847560687397496421544095511732459691247024479866593310730443458456631244473919769838140638160898701482863527873656682353689657481883299008268905686776414775317374450820638335738272952602693728612627642360357393913401286634620251532704555353815849775056122777885376967110048493324311998384310804707023751608419175628725315108032458870497073768766044659574531746619271600327805820111462692674645455096605319834485725231795736745247878005303432965592389091212049810825377839795351800331771328979005841836604439372499718796318099890403973018746929489446635169489479823219465229816043789877240902563656850973653544637513195139369936077005857131424771932026884472093445392413887675259542413702269946464410521821630676548494003058574009477 (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.