Factor Info

ID 155748
Size 654 digits / 2172 bits
Status composite
Value 508125288088663172147349194378524387236903459549457589800728100174967689054241537412029106259350510938296755522415428049948604963936128490182354982275514514823235649591519791420141459574671992541013678352283988777783763044906921020631009673867222226472688635150515155299182496529392232363405859890113055970203654163873109831444658141736308642122027587456099429445851425387787943007359573972901693343312394791092272689371330592027895746372639381603894910402010121231349870410430861627860608842883951256514796495982256357710389163715363795997190160733458815610552225793389257456606427307405295871487402442692932335902893321503313959607722847125676039878641

Factorizations

Primary (ID: 154642) 404318326024801439191676313735836288644493580299053616879363447 (proven prime)
(ID: 189687) 1256745626854158650982148772650068742101054548932773476830046763649236160116482806188009305459682133707753041225469218152166676958986452686429593897611863859884058658973790709352664659959351718900013046024742888823016795336052393311332963815106760889171405114455212761095617054028776376967541237799195293440148837829395337551950585576541130915695475112131493424040368583675512462256425718833081824180706441238930759356051994843650737483444888956956154009901097346469461808624557029824391143078053023173301440718588585028473791256428696107090318096835623571846581327970924078578644281277138903 (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.