Factor Info

ID 151808
Size 1241 digits / 4121 bits
Status composite
Value 18564094851072633185466105185941438386255356872828801011017210190885951799329344326116921267764201725022707012178977935314255646316365956575845820610664730147976992942038359861142382930297878764287833638600945785938169474441814516882174462392946989187020924107852951133274152859195744682884409563972141870331973638413719041124637226468337432389068603129455716119408090235041990985019350802621566757706160367000154772136172471134576995956079311941864932086563723927822161718146347931840501502543478366102510085249948795175189161180862628464594904984046262024350030284774208196183768238733736806386083642515618093310111919225671171508415311882095568639041011387166861403213283574655612349517880044070982270579100723195163161935432986660855841531994719378981034745515184758006639846198944193990337072509663615445497888656016419199399221114898142472382884859081649618560593523836704224683638988920854984792869378203722733733136320738775230059150692039463188088591884161822128252803022641381311363951697211877611881587854116223840101235941010880361685040357318510580324466930267067660484840027786420694596328930021857871217861745831100646982896762393916676952412754660086453796648461207938911805900671643022622996514146625871023909716319798207371

Factorizations

Primary (ID: 183861) 1500560874699452676271274447888531445275701 (proven prime)
(ID: 186046) 12371437349911469317537413528491887305403678473112840528219256434135187657061327249022413355084557731073906103302572955921667858921668866063294961521523871185319438238035625639789530067480431397799764637515100581020177769623236818329754810621890370002521492975619586546011124068404975823448622915473691306000704575311183259671727963142185700669598295202209956969958617776727360046468737129012868401744721143993381855157389944678665354254415806042244251023728288537613111430073144497690941694885997877534250835783905268900092168781565497553300134174029026762710620270651545629976144330705714651473917968635746492684048655691848656668425918937678861479652101686413479415334055220909743746965569392842564796601605633957248490443620489436154895327981322146665653819693192251815772051141801474558211008443049997059490023476434785313385132307605936140024001453769546093544477802298496203983628371113631150679760932066230784139084448463197100494945495075931964094949747877721155819706592160720962967067244589120051415083524994492240211618652845905058295568544502152706073202035784033812277913160563917389625387096584793735420452803003810457712215987213762923116597209266251637406625050130430068886849812671 (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.