Factor Info

ID 145521
Size 479 digits / 1589 bits
Status composite
Value 18647871233249768483030100974010549879031239695203763069609637123854952398562959738933254590204523776947863274613717740435975620372520484814838919010089591925717331465474561912014940247642092891738451899933658531317607940629084734340163091245793675551784418984367843603375839614371602476285514010905169883329173997226499309921008775794964108465953399385658190043140086477910267339663679018193893990753280937834697145771368258007637576739287955377134700535793362020701137233859493

Factorizations

Primary (ID: 4246) 301515315752300874236564235591357673 (proven prime)
(ID: 181368) 61847177436814719770537948497729323713168400450474955868995355592053653445058141194814509012984912172395423696070208868563943933164589927940932035570466195989830187122543485972988030358912929931319393346218462412419727971099006875913990470852380391886276439728705824003821952817768978676556260147035072140732951887371888858035572792728743422741533763663774210925437526268816683967740366724416943993789587780565107198969322775879078047813141341 (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.