Factor Info

ID 153771
Size 1040 digits / 3454 bits
Status composite
Value 30572968752742002978783044622362454222123542280255532195100182690317133994488796276282981729256045968524358516827139831407633777284007896274439971915820402199870102644118011688227771979260434258048873155995361511356736589536799484826514037164413079505214584748380704515408224178503953351911021920871633267623673174866733956019973958499798584667543895551312263016191582684529038077835152869313221419416020246809647606200828041782933148574211729023337408480760827419710607670435192053874385180132742293607541596615033302734574763943469728094281913436925265751821438819986921442183000166956073600327661770854613764181902241103162077592504244960379584211750915558994558678187648031003536858938626079563569117883905794018086410451901803457634348658618600864768773872032881236676927552465285919378574457062021727271915057940414105901130628919549463555854477591116845871936159492334419603881560806619623789037788805062980667988794058973132082320861186934662859762645545904117878529415607322529414187632148467534650820014197017433780050126624040441

Factorizations

Primary (ID: 152501) 278296416169378009444753354079711099956477186054355507230970518413064914749001975888923888114887753377749153728241890010971109954878779072480292254867179184131743513079931225502050182941650625095702025714387168459969703192325858429401446595652717947749598967679855759719534399181819852664157662404127726313108902225553216341524912490248236877 (proven prime)
(ID: 187874) 109857572632680062986608075183606564336341440263905062548476389383026875753221820711856380977989751725552385434457180455172877973110449129357637176654504298667258967296647368000496645849394207724538074756763849994050477472862527126975974075406344410260274757996327626087585671239430793895265029229062689624065080678667927395641443620324327259955720003065014105680804646013734484897982875015300095644404994602415016054812603673463465304373216315360921085448362827770452538360196672430601414350254792830243789153062831578858243717891225708054759772563997391604379007654645795342545913704892387751963713502877026009537082783679639851246319374941529691084202677653100429877835536800978953324606002205533 (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.