Factor Info

ID 163583
Size 90 digits / 298 bits
Status composite
Value 259116154352784836052247624729172281638306210661587775998089666048884702551699385728741103

Factorizations

Primary (ID: 163584) 2531778485007234865183 (proven prime)
(ID: 163585) 102345507668710748247858188840788720966455542501384541421572678504241 (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.