Factor Info

ID 155307
Size 458 digits / 1520 bits
Status composite
Value 20901468499078302477908199969616062636683841954888117374938874236302669816846908083494191000549390547030193855036642531582094007074345845722072509325299540424202597877524900788736365500378300175314478573991027302552546350456839303501262824267634849390591800389311380557961368418559086836068289208404907244720449737756542556648154641954017956596280224277766236303528860303280729591297708640909238823054711534070798733033961088616852197178170123502145817369927

Factorizations

Primary (ID: 189272) 18503897316734897377920011143468735062634220940217301730566156121792905046142653424196537122068662623543258998896799821333525866112303878395587120737801288273192867304540152662962557353300813385461202251121958254656938077 (composite)
(ID: 154853) 1129571146083643971972267950207321531872616827325618810065622098191531698557628088943451327903576192614622207337781440768509065898968386864739999901710422159590183278422153364066404925187368048578775351036134980018219509250202304595864051 (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.