Factor Info

ID 155561
Size 616 digits / 2044 bits
Status composite
Value 1707428451107387121467798736836495797381200429987224965784134706146574966824559295200957782520947690331128406039672258344311385171482035725011365727511703096300980813866345620800403279877187392539987309858177291223366553699830873312467235958248417906809809144607609112020202550232853775432133962330632753764993934868499705920004144090521410023056865769074525683044177260337395611457909922976274241295301369193273388570224042444760738714536299662618562546634706852737647748277725818132099213433458381880188765205073912287630005239893513475235039756354961480314647563813575582436403903765226702769389614535732300891293

Factorizations

Primary (ID: 188800) 31052259438863354797734840533052023885010757862396185779667 (proven prime)
(ID: 189521) 54985642976126257972230751537485785474756628527571870302909562805056931344344076054600202225046540921130430885750196195720232682411518504255002778271553747526875793348139300421129821813935959410065434865836709022544558983369831388188581739411551017008202510353874815962016816401222533450051916207013296264405822924969604188818490334417467881551502409212795834872621930018776044757534558691342341175240719919728905850023584865862540623854733122846731532141836164852876918645668362325558767075419956301620689267321911974241992254025915716263912114769413692879 (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.