Factor Info

ID 148170
Size 647 digits / 2148 bits
Status composite
Value 39171581964774811427554237302355734847164088148772224799596316585620662271366986722914379521480665206918891579595041509234548151224145993509786800497822846431176395010204309528633070162926855371597766989409767651888197753283249634995903857655791582978101070425348498226949203777367456811921206003891231147338436215295388294742365842189612405154827407856612635068425445883204997237751793122053985530122535390844578906326729881780582439508730737249576407387681239493455801245990019176029260700260321207976711487428674129326773407522004387836679668137960462739524040182713092534970520399063935676324942190159588292222525933468337227030747451473970713

Factorizations

Primary (ID: 147289) 31382755830911122867 (proven prime)
(ID: 148171) 1248188086980937349987626000329099416481057206915788469365922832273026705326331645629410871974463192123193112362235333476907568052093686758042931096731374458813391302622248997913929282798732437011059398330549809531305657714024361317097922801023603650676836500514306568599089208860868942953985608869192044129949735267532684728520237493227054486580998291214559115970789359110299210094135468934857448488781064328255836468414380004689268700684109975018587660021283909226603690833180352618017733806359667123415217441916490020999728409112572988538198485894308447545951505782808306187516898378740992813031615934327987006193972424916739 (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.