Factor Info

ID 42718
Size 297 digits / 987 bits
Status composite
Value 807841637370087176123900340637773400756407689007680463988183668848143119722888053755957084800411054063833349640290797325793659147551113287111631746463527105600744133993100581375046345599030634916342015267789941682160081636664281631345105341235758925284958490071985694624423210912500041582822467041

Factorizations

Primary (ID: 318) 306211903657739796051001 (proven prime)
(ID: 42719) 2638178423896383406245778290593591366493056431266855548027869145491001262116101376656097792626065367142430016025999537486774050770861098837261223282828447080463594518220432169102509459398605739199614682331332776250781174119745189668924574937685805924010607592614528008376041 (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.