Factor Info

ID 155439
Size 499 digits / 1656 bits
Status composite
Value 2255072615729782403078854301365600950121294201607642222671127804571782228121597295599645152375939997870898434904493681950444083879124930567213957626672073556662542234458803137883516475280365278923846985461770325521656394567521361568771764579496463246873397559130274451404601425002413942608797289286921530290604310872394966897822383274313752346143846517833146438279312434668065188144170763549670390206685286075960208951689914309436196931548043978242226343370251687872240454549241721126530234655002291

Factorizations

Primary (ID: 154759) 1718795629713735456383 (proven prime)
(ID: 155440) 1312007417720374124836875387409802099316753130982094168597562011921266270849836229779807522220107426396785215204836086496816154548536025410190018702923531683579880486145195329600224145267167880179947111696813090737693995917884980408756432260715085387144123141358157061098149658221950296303038903205594538454202417156561527039071957408417597361989669534367376958366852780786016956010358982584333990586493466419334063166411992242982009335444396639404331048496592369276212648457677 (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.