Factor Info

ID 172179
Size 429 digits / 1425 bits
Status composite
Value 647024393708635921918512459646301833381142434682581967412313809281217021591928763378524821362482673969202296719182156591897755824070439166157367250947888797796132405105709909243934982127607342938951832942973555253018451965054794458617206355951899643374005426776718714523845576268748719200667612405958732496973633184851076298841487246633912274467096061045284932309197869025006927330215441710841322193180378588750434525258187106021

Factorizations

Primary (ID: 136425) 1550738312754197195984990763641083397417745874324021 (proven prime)
(ID: 172180) 417236350186953681547077374482966163256420146022803174747766152562641192493320176076660149796712375270577410042397940899125997820329747157161396149211800879349240739290521034621301192963084792710159091142885518295099600456796722250014410462869032199569777118399733091109773442182243167332982700329017649932480835091823749071940049439058829705133886379047087604677944531385942001 (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.