Factor Info

ID 195817
Size 191 digits / 633 bits
Status composite
Value 20981375537340215806557569415553975138741600537503107963677248979151319196805701906684896684112125635519200353885261607128194650717760149943343807066482273464042854994948742914666601925599857

Factorizations

Primary (ID: 163635) 1363669734508789071573400896323316510110168316829633 (proven prime)
(ID: 195818) 15385965535781264678524482139416431685568675396199492627525667298021790039596787856517862613030627433778569973440421505222735843233621028529 (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.