Factor Info

ID 157387
Size 556 digits / 1847 bits
Status composite
Value 6398861216784738880482014857393351943103982171595005059795609028165624839372303729440115752236510971525427630618960618253306673385447963318301688985614826995319076222701665719312958456612387257740474815737640352119168919321527137274205539839794745564254439742029646985384856665813043334872186655709578070859561601798087506577021792795445411197920272942202590373154178941523073369522226240561776528074172511375157859763479730715795491512480904587433981775911623544077555993513407621581539296044436814666534020486194996714350920445259859361109002561180408057

Factorizations

Primary (ID: 3241) 728853407707467208421993458966504139019157860437186335406130262344738292438484569798131887 (proven prime)
(ID: 191471) 8779352815145219802202909408135757626230336108102922771157086722710814425390344896842124947946963101692404108266195867948635796268592628043851264040948657263327315357655079085895740991518483616015577473127117320945894897486051647932603676671278596196617873317367055196864570577108681630253940128544273429105911347638363328192039772465414208525369232376594821209417444859662113866932381793583079479428701454785190252857247321618730695458246030551901598055309448157911 (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.