Factor Info

ID 157231
Size 307 digits / 1018 bits
Status composite
Value 1689976634883879433989640180857284113451591079065818107272894973097328145019621305851299911215109407891595778368773837964402473158404027353896934892009859697326294745886009307907366449256553339536704018989997698400616010369597906324188426828854590985374184716072869203606811097286300493372380138424118400463

Factorizations

Primary (ID: 191246) 199439000998738772588908077106387241 (proven prime)
(ID: 191247) 8473651725193743002240072850161565359689071782009945338857648452221397910737413637535510446617250567455619030921196655983042629424036517224212196434741002996271745657964347125426614745437343977664832005774490930840911245924687907831820397218120352273155291107482864025143 (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.