Factor Info

ID 172389
Size 259 digits / 860 bits
Status composite
Value 7683831295282844869733618308256854581559547865162900324610135650971762332839673419638105284116012817527909782310774098669474239603409436776798955094540213253901624312316913777674304806162569066780516742114082102495626938942552947763920920878774822809411820641

Factorizations

Primary (ID: 171473) 316588637171888664273053096646762792633666790530857152062299480907868142074851283995330569325171847601 (proven prime)
(ID: 172390) 24270710926087296012746905610092082634655798216435361810481180380235490171586027201078802790908481035914427745047565274989786618077832278010428986791721669041 (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.