Factor Info

ID 57972
Size 435 digits / 1445 bits
Status composite
Value 687506154606483977021562536404899097151679502156000327420437961634774475388114503366496819019864424460295013767380285376442763578583366870832072400939182726769686364482192541572418577586360167982787507049876390236890114006891610926371716107154004397230121766084243864338360985350551540880254534349211403092107215604879486494357046173816686241795513543111326919978094604035236021069208034730635518503667156016751944019891940494762970707

Factorizations

Primary (ID: 57307) 43407789436782425761 (proven prime)
(ID: 57973) 15838312973936249466743618887158213521334147392590802177045096406272558041744144714830358928394916868713555571068941465359474507498046943178661912255247570380138881808597964967506742457457753798317151279983403313965913599341666071436629881928141753036934246605951641654354287515115656591428812323859339514611383801594662340642562765826290344815558866328768672138711544305237749528616589474136710383556633657295209587 (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.