Factor Info

ID 178051
Size 618 digits / 2052 bits
Status composite
Value 420381117473089607001140092956682627056262939092317802302032552743352338786974372941182587890961637910449495706606341840889753784739921871488700510448957755212426657483219585201495285948749267105549263950554411403283128532348259528166002441746464323509268708157226333455572453805121103644903285410681456611066538335177314607017588464412828124098881171646546106743555209521564709665371114313191003066216674306583873623536044299280803099675487209398702529757547386844878320722726121400242196001282802158638963230688155014579212669908987153022413227670745307762210892344214306308426576587868839327143273040379053485753691

Factorizations

Primary (ID: 28734) 163354471571453401776598901856644800772438984659959748995711119647 (proven prime)
(ID: 178052) 2573428896246708239842180257268831581160417856048475537552404528185447380991277048413937330328143309213575712689073119610049711295946214352810807670561161361888287878096645277820950409156528203125995709373653986846700950506844723847844049689006939380508179876856231035510953398342793356778281731804545266666609051393582074704474296303514599575189939520746194349030510959889729463019794166518910594655064978373462704143046174055873502834481304321546378974518323396796189946095292764603963372590191538601154418730482245131026436089032323084576054093789253 (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.