Factor Info

ID 141533
Size 561 digits / 1862 bits
Status composite
Value 278415134656744123044895409008687880158039678662347797376481308861998057465619038956462262630303992552911254620304676293091054656185722163638263354036242800548225955987008014327424183809100499359445325502575499184762220539596501450791078944389921146424116251804848167449660559552557978144899818241785984820608424870642408638081276369873262522360807465068826337147096466907517405233587423027376598979074904697874446289936467083226290211326055869996110766629656576730976751387107759361545698684875512358918300733441503566720165885633647976849407281134447807033817

Factorizations

Primary (ID: 6873) 221746234901611997486023 (proven prime)
(ID: 141534) 1255557438349633812026985273036524246103757215722496379540205210530830651833492819770861064614369887936450717148076751863095193757235519717183101594505692294046274141539628083763384930705957677509005947355556862393803410605275014764555501383202621723284733554799538691051337039305297817936961121412421762551420484634552612061431638131272310202615854359941505217234551822101763988976871081697325407492121741063185835378368130071015233515720702976902868268641231666059143299281777706104674732049488561353545642664333206212413011146786506079 (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.