Factor Info

ID 21861
Size 315 digits / 1044 bits
Status composite
Value 175631519443963636310170043096358044046234616176118812125355198609119221719612754827507004618837170675927114659258264256548013116747888907286784015274488559169500394531373022572691210399184289798204804624021989600688504574981203441499875436733238617840353924386237076553803885873307380283875651178713763455424996513

Factorizations

Primary (ID: 21862) 697343318106716202287329 (proven prime)
(ID: 21863) 251858037330596896965905115120079562962027837852823579081191589837695783963864361592686262458684430409493332555934080602642937667767227378499287566456237922874377190220020405466059351667320561892196433560952688508008890245195513662296359805360720120806904851699249613823301246147775205186497 (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.