Factor Info

ID 81745
Size 255 digits / 847 bits
Status composite
Value 503038692254172717835777515769678269854851541682540070546691920314270805825153603696904051998856626340757020254467377238746706478265471111467415051190498775111861297038375146815835108826277352549528870970037953938684106319652319913522017258805577327150831

Factorizations

Primary (ID: 81241) 1279796312524198783959026179698128589697724026090831813828577 (proven prime)
(ID: 81746) 393061526534646197359285309144981153920414868227533102209088483593374567903535088591832025591078849988374615737681409783831023713222555291496517638577457242972586615522572635709656843943368196303 (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.