Factor Info

ID 15728
Size 274 digits / 909 bits
Status composite
Value 2685995405741137765947292551167754256783651998895849534846286924118752371501693474401731995148187492432516495696946916464109069882977342684939390908039244592824922805549815054182230524206150014607416096130847953544015780282908127971764060210880060213374019856185179493765349

Factorizations

Primary (ID: 2990) 4982397651178256151338302204762057 (proven prime)
(ID: 15729) 539096955680754116795292710538231761950471481121393541605344062273186694259861979691287233232094178519869157369953445376601615319515886804420642283058559757257864253446126601554878214626063238892808745088767766822560725589365746922815223357 (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.