Factor Info

ID 106646
Size 648 digits / 2153 bits
Status composite
Value 664382913051334173168831371676850658965674789999708898590399061976043776137705990130348053477903309590506154985030737505507639010225806648995166765112134095049355437295285373631110311285262079329035218526581320300406281475392631772117286780530044138222301712702458776619885156279817034469788965189814552188056673348445019925377429070617602018631568276204752366987722354661249249172176558559660062932517609025407419213094813026919381633234071414419496644952526883518851710919211257870217560635504507446562344702383845327269346477256649433137540610317786417724439555621013328835001367041340238921384867990728813956688609266441902310254777423042033043

Factorizations

Primary (ID: 9809) 5242653596516445717158634689 (proven prime)
(ID: 129419) 126726456520566734283257181908490392002389108478368783294777508549413129719615232619720916372728802539827982652625941734175307213435565200200601567785040125216436504883970743957027134465444110495995450910879295926418298930760835702766473586347804944362929486184156781112148667555831367719523122762759601368889122445288430886766136034997622859097163138184037089951217892096395964387563598266710845778163433357435727068908232028376745518448619577965413677352315551784011821769186316168167028855279816317897502836643191764433109026060852641181476291984105927029010316742810519905091920919568806479675391089106437130395355987 (composite)
Secondary (ID: 1150) × (ID: 106647)

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.