Factor Info

ID 153190
Size 641 digits / 2128 bits
Status composite
Value 21424185789277784863689115515919911042782132712128721702424884476609762983495098919827455696946707470130862665581131476746510061119347584450121775987574210933542136534671535573183009020438145522257308236418378360254020959280950815197123556585173699616589877455937558705717785587397296762555849214477824991004475372401442601585183354160931172444922096223437976038830493650124990754626482910738973325385126704958219457891792482284792457891756973915110823212990148571962673328015966077348640680336620421696984135061291690681724273362421503145129608063277574749697375328701025023512307392142929288930122047037513806060149469207712762593305824819

Factorizations

Primary (ID: 152127) 728112221596422948171531823 (proven prime)
(ID: 153191) 29424290863164158535973922654038502095681603939744748268210047521805890595259453788106848405488917537179807425522245003624406422359227244384025119899685483670050794542545321790190462253266948580565190960471056652893774606612888794056344706806544648476760672642077706526991420602028896048638089224899537007637275181084545823904688947752904777712429550994857614023949162655924845961746205996031613564420807137965536650139972590158769468392490003219027864775343978201226953725969957433412361717678182886332016485331388873770662878818479521725053708879072801323081256453779475080586770189700636328193464960917152283453 (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.