Factor Info

ID 15500
Size 283 digits / 938 bits
Status composite
Value 1407445309663054828530791863506552661610927338097622083878288247369952848463460721290813792956357783206814523130818995957194681848549279701471959839994035044094854633336029099506193313010008266465270794687850801973283339788865440954789075191667959230754996906850438966678858163242833

Factorizations

Primary (ID: 15501) 129887637532703885175569346500164339384596481 (proven prime)
(ID: 15502) 10835868111841512569073508747616831830985698987889872239997808518431269626625553723100029851000793018335892841564579704492236317858043096283980706949816207584804526593673464658807102580750682273102250350728108176254031144661893112210362193 (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.