Factor Info

ID 128443
Size 651 digits / 2162 bits
Status composite
Value 515094702977514056010330346268672970477593146825011593707583758386750337698348843631790764985230098164422053923792488007801079675966273744222145897436222218775590850766998273873863415086174930364436250062354678064358600720408960339220444830774225078778220002618498202238955221633180029293036240944002326210557506669365373015878154572308773518576429116163532141391001370197517312769661498637119544048297634851466968212922960619691372548676272653044755127882399537629219633850409845851136548091076199884324547655429774122111269249027508245018479819237710152400838116474188246139196474881083549198299401028542080399950291876487061214806247798615158170943

Factorizations

Primary (ID: 108404) 806209954524942700988894344801 (proven prime)
(ID: 128444) 638908884821488448561546536076234333455310745607466886968945159401153577977181305124005451397080210242517746594889701299999028964833239382354788534652078530682786208514946659863383034170478456845906741169454999419847445804345048293759975597815947290003477783389461950626493026539536265434766864794314999000127259997564088923810349554048247044358136952248332280743418019445921993419553279155921840876141463790421674049994525715505124977879719726516733738620471903225117611586342614993585670036815954619064875805168607172193109317715575364258097004941307350633737205311326303132322500400959917702421280448018307767397744543 (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.