Factor Info

ID 178976
Size 859 digits / 2851 bits
Status composite
Value 1215387008142043118783054891986610819156329245327136334028470629692163240191183753739309971787240556595725080041091327344017860505582763041763120371539131245129386922415563288315686004692244234030006486093196432510014341167773878182197484547706644072467450994877709850484344468865457709597421261610170003772812824246830391377747348558929392170812711723937213667334605030884404629045913185488077971135478718694009862345688523577744873276747269073120947293471519564842864966830258781183064170992627980087582801473856576459909338545886473794258413621804092488176408563857352453020369209510486753598923478596324584013710308463672150623194787342773279551493127291386796461582523236199925600908594662062977772214120541720645837978414695231134424660829708220027474871946051383324691600566479489630044217420429350141060258881528074971230938296597308567033776161988597

Factorizations

Primary (ID: 17037) 4985991390114635753037368421149206533928645957062488491 (proven prime)
(ID: 178977) 243760350359148828666344950535840690325845825869199925333134288157642744423790745936578381750713102546095948599190321211527058890733195526592595941657098470732360127274383796966474655681188219424209889903734837704852065592424026090677142045598280323094217960291550472538041953622589984312052975089688279043975131061935409528051982366969654754481682653559799173829222652138848802717353805976060254733759380384673369220808312983075741781790207012526458787805228106917346844664375702714802043054157655945903392171607749169830081130320610516777474017094515983999567969097227454321828665464162772060207926032855024323934798648301777842587601293655535266638965269292595154442730239267978352829953442149783612796196881416264163804256852135818424945336637379479464876583143647234815220539943029365013241988076767 (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.