Factor Info

ID 19925
Size 180 digits / 598 bits
Status composite
Value 668871786775503571518071256446927681320087586657295989930629207174141530204389607532719405975236225808447006539746072405473155517730331039696161061105343195965581249405822267017751

Factorizations

Primary (ID: 2231) 42051775804956304559810859008305819975199677041099230574273451704628125001 (proven prime)
(ID: 19926) 15905910605959927957520599214257369978644811514228442375715283978375304416453709933630691450134077795142751 (proven prime)

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.