Factor Info

ID 166423
Size 888 digits / 2949 bits
Status composite
Value 305901580871226188454068341623769120148772979371975387868393701151528728900695013775352592654576490328159199581249961349564545674185102645633727384203852146201950250704519291595930196275554653247589243669013646803030818877444502609509406937039121074743311778116870666727815684135882018770085446724696946832961449788793655814866867796422568795689674496961369848875108500962526053708301248871609291607553173325344847431571404151518086397379205358088068571045959748969056238441263195610954989230587015337070570145139877181890687167699960239780146782438849661248697520925113164818293214618357378278754183973306903581599888662842434989703970510037932480887101052513913286829698986798984541221582732340843917292511672279809587150593038545173416612576427565275667646791525323392067648555648839673533539085914514181471597015658706394143124515137072201939940367598020559438362153630176629060428033

Factorizations

Primary (ID: 30981) 4280046756857802222995469673 (proven prime)
(ID: 197620) 71471551188334198880835955908642489039720828758879441143438863146073056182136203844889077613161462604621548134646178667904430158682521393145652181582370651361930685265422527708762709677343849593812085120200127382149727461131416844968112236352782764452446828255363057287124552619027478308424724799136946430783598551244581083913425195678340700019382243253192509683482981607179393992071496041159842444243728318464304942683101563415826789852107020259491356866581938956833923309766774592168504088923817336364851832703630986070912487430159796805343551310129584527822752255432736682442430526322435840097653798587448505405846823101309444544612182296736810263026582296136883279274342216374000648774761346992996204549819546028582676837757207383460392417552737903663324832899652077839149855014365098578593614238872137815925370489120234608706641033562105019112070287631321 (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.