Factor Info

ID 170516
Size 537 digits / 1783 bits
Status composite
Value 388651025079289625881798434990365149800391583870513877103726125563006202578952544504408352052324472112854800366536763413398554041514795760665845393185645377847582888926510718853331187555048116298773619008443979234335829047480132584410095077917880343031341766664264298666812451798914305687809549249643126120591366664460805911580080785239066183359994406367130931428386332401269278077111075376729761590850119077698191947094247506643525520475810987296295896349072460136654512582863630276494015197091349615073393062931355761702720299110378981

Factorizations

Primary (ID: 134504) 820886825652257330984559434835061347593188788059698433792613441656133068331662646728863481195965735548349412414357150156797289090788015202021554397185112672202720212422322477475557677670879845437473882757839991622072242307335282811342550649302693443988251 (proven prime)
(ID: 170517) 473452628223722165657815887703470152193019327414815936591236261730376653228574039001732033423000796746730187765068386163312200101822163962274252286812567335954810975443233186203534479600166941692215885144596701217118506682868065513952263040358202108696788445571338106056441329343231 (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.