Factor Info

ID 187878
Size 506 digits / 1679 bits
Status composite
Value 15533365638421162178136868218393867972115782936761983952435022388545390713596976935052406839524482303307946416613176780244745192820334766577848216231261281775499586856338532815893558189848230588434944679166411211931492468669658426904776928725709645996907292394947428494930006615676511789640595799216065991369383497962054840424062832841100681065721086464589468687590315310953754796811585392234972965020528106054320826961732577316645561913495790732479823028392533686976889607351800296307070531132338576805153

Factorizations

Primary (ID: 152240) 2924547397501754222018609703638808715140241 (proven prime)
(ID: 187879) 5311374215268413972948567516125017359274399265173356381971404315897513430718523722775053911866131504735491930588044054484020897254319647195642265641036436666106046415124246342532179139788547637268844087899223455011835545007530725710684488456307450633973865245841566537478933459186337394989815566594915427809220121354419503631392637869959842948242150887299374630512735646100063385498673521889504400242736849771406134636073809685526258086540252642925920783872569233 (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.