Factor Info

ID 164445
Size 551 digits / 1829 bits
Status composite
Value 37871286064511890404211356907642314986842821568349089339953073175319016091937109253128669806854396965869013267545241133035326047961692343721249529173298721294715804043956596855390881087629203968879765474446334445332792555924452775979076535630313760426578171030098106061886491533234444041968380169474545858886313533078813151638720773222910815654527136297570944160065177853958181935253692852053627739900397689159826727188487541434181816228361230436194149581293884870626788730793856489600025874300538277906036392317542288338399575756138252583287863888701

Factorizations

Primary (ID: 163538) 262692147114134155051 (proven prime)
(ID: 164446) 144166038005154457355905273158316586638286556007438687170314499521169380671111184388692150174459369913142819765292923428107030915488516776215745337932299033924376865232801415682795394332807106711836621674582722452475676198298744613619444800079314747485732660834853895117871498316696945386786935440901956625956095171138341544170731983280542171131674509121447888576332396984712635847793409658046130651073477745490438427879170388251659087633093589662143380403376282073154494522291637774445011912409025012923597980874483764345192676151 (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.