Factor Info

ID 137221
Size 537 digits / 1782 bits
Status composite
Value 189508439599710837758468237037443712572881934836972395228601762568951216603181680263836585788116926933855623113631934877187112317732618191519359177974905770452803821096978411923343757705781359278116088797047165232084980822065834463718643354767588214473901521156239963947875202403374913019720525598186468196768018159633163803934585993936623244071668538083574900697147852016330622679222792441505986494418716405569669266323296592662928598436358632085810769874998453157281796435861611098062707346975450288040013041728334034004466727684607137

Factorizations

Primary (ID: 136432) 351156543156995844791 (proven prime)
(ID: 137222) 539669396150152284082675446872097320720359117570285304046735446821054090920998267871055842700481311697948765833774248550105719336198055384012029435175671194516346376104518507997851712620270725361795494375127540984148325742257328590242733781074821507069985794552749555265148284486538575181473985293679957838624760996046731789672968517924839640488518855483422261177105651786347261109597282780847119361354190079309032829425546811041797599652687010069754458586253447920502261123882394536197247251728414546859824750709607 (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.