Factor Info

ID 157353
Size 565 digits / 1875 bits
Status composite
Value 1964795939729355064049410511924668089285504165196891506525357351355831924234629574497663967980953571541195835718714502628368746859427366404706751590785997467626227978088616237756909053145333109453017068637816057417323581300760038232743046067036567550753566355669804179873945063216527862553091146203638155575719261780733864270143920024678560653204605606822234794892223037421639891240286951844171390394509596885430039042389767557258983656717951000732178025342317486838001479159618886829879134019921516142689321537054679035512941027090230216542464324088651431466792639

Factorizations

Primary (ID: 3197) 3881196575913244673719425770871246487895686937951690944453838586764072695131586617955811936945129 (proven prime)
(ID: 191412) 506234585468539177307118409034654474877824757619734320779090660122048361341065583377668478620471351307702493475347240516706900212771606429072688689756787719152938599979707708938302288124130644003850409596961026650634762468787101637467048487112369366748699070446198565119462787879807575832354477753182592561559713144679640423262503758971294926737600625937262394913322080132973624779375367392461991356957882081172644528441506159646440778896927410570717627500884744537191 (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.