Factor Info

ID 153776
Size 602 digits / 1997 bits
Status composite
Value 12212533205158765057013806415232973251740288958672414925938337151182098490637349554655424082632412086795801461530265160498783327893038780940400570081416637941312979532781619763321777554948580440956220754168851523108953277294647954875169935931623860237514148997411076764160130685770833200841428566735574024377128769025401962008585847767474554927790290352358232277402786930994773787152496869180523734034707574083472565814625154374176804131579220934592307254749733303219263749611144150539533624153578874877568308606636774793472578897452770260104206703702349231420590255013158419403267926781672130380835603

Factorizations

Primary (ID: 152503) 10375068288218822877105708961 (proven prime)
(ID: 153777) 1177103886537926158651348764476521642518695088010804014167215487043689132542435140893441487168759612793465267186344390604394085723469084827448007798842216741862614640588490780467312219668616217558123844671715356330748439481278622055383619497669741139285933013412591903661408987597527483170298786654760536504031884776418618678535067105409363828645425119235244498655445646281505007919830333091414083933234734621488918766244404499497361879730729853529992478093187981027987157119686460867311504402907699474110220010581032153043099974562253686389046006239909982175454892330409523 (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.