Factor Info

ID 155979
Size 737 digits / 2447 bits
Status composite
Value 28855913676772662541846042332240373506101935697026298977648174564941488743658131337226225066500116361731161349832258506089369765631442528712603746069984577830435605210632116411477056972372813160656362032068432389651807050867361528027125042416824671609742024751774164139742898644994654365918882880955720721532541853431094869117511633845775232138404210386593113602479978447494014442133762243440680565955212103813145641870109654798053544744357917691321010452121827580066423166999934472452564947384491016373794668752287758424765781180934523160665788742593551429728539751688334036767816962711464955216848328415474105135471701283623036464473579418958430744441173539831287186617971042554785179583554359077809595276761457833355990465095766370301

Factorizations

Primary (ID: 155980) 683778250495918700321 (proven prime)
(ID: 155981) 42200689559582439808238891615935911836975532355413985953010624136141080013817364873007658194476234503871250179938323387350970937488214593424118752891526123800671649326640745315514062862660972366124894871414348669114943102985716306470095761432830392525006315644501354924648593664158505931343913702061271152647415510366144244653989034013519350816194331402969267030286358218513689679296199224438329450485837450243249198886055540348580026060303520724204050777856806692971276149801905981154005456596433581493926065671174399568064761336606279801173774776703673672270333131523158469602018284953504533413031096398726057057617453417818568450668379068685196689024622247809058150528364034354188522697621622681022789594377388381 (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.