Factor Info

ID 212721
Size 128 digits / 425 bits
Status composite
Value 51284975096392370295423251754915179238595903048316999130760338222005842574175933341527507308072136737293818804522487259612787507

Factorizations

Primary (ID: 225558) 2438768101105752681868948408917807652807 (proven prime)
(ID: 225559) 21029049491478686482353877117721723392077230710652077006857321942380566318008760348322101 (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.