Factor Info

ID 129615
Size 642 digits / 2132 bits
Status composite
Value 470693193280211074706262673132954700417921124599032596154172977618123047396269124759801940249991878558650942278785534107504384469379653752862709347972247731451579760830276050470265328908702349019015009575021982863980897583227082724472624634778670316481884540660692970485996339127400632465017945923818042104317906254119665548003821518521630778409353542328779463891047764382907824314518283004437062673354217938627045866348037666060395351406695693302590826773602710875569363683675991820616461532311287925189466668399669917638922357773313321967671871974947015214532114392498094424035341229492917700976999503743250696919740586974135061799796389017

Factorizations

Primary (ID: 115692) 157954513163624724932227750007645711628533 (proven prime)
(ID: 129616) 2979928739311304479276323455222231955014899105634214276303401191167734174057832202643839171733639739228191283613571147750932835455387383914929382277182768065745200908746040502486141560913019919829260103646711067280572192038330254753165972137653418663476102724071686716754752045578198053818759419082443096827170253526554358075148600844713867344734889914283863935909653032736559391173280245646127008111115882995435120622427009668295645325853069331773108699954838776323986275787726405772344776548082422494914754144790325661860553111314375938689497517330002262414733796102713559646194305342753185445107349 (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.