Factor Info

ID 56153
Size 554 digits / 1839 bits
Status composite
Value 19660129642189288521917371844064160059359580196483285956725342070444191534910888948397139247564171896414085027168369079109416407460866031425329669707884659918920606516552505829128820264767562697815467736660332040380460215971793583585500530477784084664930276474843232989706597833563627569399857308980068580120176955006357347790586555647752253643588944518417613647506626286113839874038586201705440096312432109606973286734738254350088775175757076800434693148116274962570420959721099514923877328443499869724429974579696050932540434427755630223299773285811667

Factorizations

Primary (ID: 54830) 2519545342349331183143 (proven prime)
(ID: 56154) 7803046570242450128295666323588417802889810869705866067780212252508465853621633891646661395440946268407657765834337244933405661708075126745019290629188997798582757565239787901488804064809761872778142672705531336365281709385029127535951610758562434400613002958151474545626726139040761502123069857553581855875068324043688523767175264281627618791646362238074781161063941488141937137367476356689805134001793010439107738079617778217975543770807322881169164298274031697551326748055328232333247227037724740596558651593553045705486584023669 (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.