Factor Info

ID 148172
Size 605 digits / 2008 bits
Status composite
Value 18103143288301897950430085643250142825812679063556534459460119184493482758247668758653397585885507664113664401070071866262967224304552392318269722149010300230915892803743100132118252812288599077059700639714571262331977292276773988448260773730153534115268935971701624558020933857957832574835300221327097763927009912701648793825217553428598568383281941840956626693546960146478066830491457922410932064344370714581764539594693066001639625564293746819970637066717311753646318929880158065397804018173281841494074753523736900659212029871109026869360543823902888493402046604093502177072764196774900090997778217989

Factorizations

Primary (ID: 148173) 2947788279339190620802921 (proven prime)
(ID: 148174) 6141263066681336484928873243455776792118769177502181889502475286581169450859434417580940295299743161496387532599652816635810973581342310100273188865258197928505441048810360091144557834168034176148004292460825103193443067932792978454017424189989681229811692983432453999861770844524302150453107782911866869245512944045946953707515911853287877722817790638388014321431308768379073629851954396505049325636366750982780706413203307537631318439935452940814485880052652578010439348789622796251282482278016729757876639088720252995235111088975199171057902229272422141526117952644823588507709 (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.