Factor Info

ID 43407
Size 309 digits / 1025 bits
Status composite
Value 207021014283122052336943821574286985768823566771947883726265494708429605357984695197883565898252630133246827174150352970846777182020808747397606811404405078842180545366070305999632462512367954345981738077285035370494773662030322805515073019521122705767141247694897537559896010213913116018051254656211982386049

Factorizations

Primary (ID: 2) 159512939815855788121 (proven prime)
(ID: 43408) 1297832103916524404000807941687276020804777337220283281135529018061179140542424236168569480517269782087596883647765206078083468933037718876288146775167252059079530376629070803819632102585678194786887680266139622380463900891398012735340002166451902998029999942492998790998928331818789201769 (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.