Factor Info

ID 130519
Size 855 digits / 2840 bits
Status composite
Value 422717731700728362706098088675997761751550074103473257315538067943297003023120823483582645787401614391718683212663963722703527178206364367543661996717703778243034158747744323144997891318917537463080111049419789663611785488827454790969376272573156512048392606338355094813858312816508509641303371429422192085489421539752757024372301885219808236241569109027539718834394798029162090409500432513063406395534006145413942118064698496022216952836315740968946765394298472331069968246350847205627809895462970331500881943890363021019553992402573155005800161948989382035953369059982365368517539489613149682917382754251218370076283366775517739991797705837221370752855497555769100741586214241653986597795259077219455294700098578700191203594719401609278303126668341598488431640168617150256332618907825342434661740110073926182357917049335662471933476347650861728470401681

Factorizations

Primary (ID: 25) 2586982700656733994659533 (proven prime)
(ID: 130518) 163401839368085770346736288285834753323539573151099497827808165839061125884201717325431116693910256191760913012599920529013030818940528815099616400371344346736513854298306232561649515440009628004051024688015595177371273208802011154373172885426831533845326180846417477713405176638482229633187027613476510737871561543371540828818244919609037011597925949540560313954231415142347644767635391340360739446882660549213259925013328843561189659306634969163326454337757021154714327364125362583031600381466322919087939638078899109560438111834614310720017883771567680480862275452772256898318538321958287242344890183104315948780539652608282109428838631170427615633021993506749037028644589990760904573523964712720994855555004678107466275125751638447133420151872719276907312962231798217245659115530374199531836981474164248660068342286247164435157 (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.