Factor Info

ID 180259
Size 640 digits / 2124 bits
Status composite
Value 2098558223285828515453780728642374870162672746403389860619995231110870952709735444303010026199565695019860329848662203830527825068327770588995349909238651851665704772252248367880759494213335968766743379814948095888854171692077906626826427540610145382986472542967677004712584190848679890237932764209133861792064532505175368346077960655621308334585700223979431429201401633905535262896705974945589937534119950594954298468547867129616327237175316974995761423835595297971417744805799430609994741872955539898806876836570079344987859269180900151095025216130227011694686922681202135044578583407274615708031364920881899708618821805868275354025688401

Factorizations

Primary (ID: 179469) 13628505158163068160232230379231 (proven prime)
(ID: 180260) 153983008329336451323408717095976976839358529682483547052014706347436066040113195293296751510855970401789120257281377261252691924749325929801649495095818668526495916040694587491469276234135304871630455265903487722110780068573736567046621628844308585138424410096486245896490668142468419964746090729886741435145626135597055640849875836519799260115918676046533352500503515499084413913435088150791498475326341074550577091710463232897021895388515961994596177357657723641767651628846093865060847071239561403528240832401176876483070630259612081654845451660242436627063875239629317758774563851791172082332292267973071 (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.