Factor Info

ID 28918
Size 282 digits / 937 bits
Status composite
Value 609575837081233040870256464998954475389159453175509215832924000386670612827704812197229845902851256760494895939894038367920214294782223356021068056926897910538799645884608352012713124864269973006066224749238451315889417831774329708891912172641310005012803983956944075982681303329539

Factorizations

Primary (ID: 16420) 7752619982267966542535041531665354400879 (proven prime)
(ID: 28919) 78628365439744737592399936265365292008868876915095074622254993890318113387170781659863908729179167497408004404480258601721581150254732378924430471652983266466936718079881198521669731928169017661984607327258821521166402771965777144320762426541 (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.