Factor Info

ID 143751
Size 459 digits / 1523 bits
Status composite
Value 257104554180024696073850479714062955738610559190034879212269248745700422334255646863523518332661520274475195873552600950700920296128733019529831469335450699503275706530328154316614994399620561277044487785521817842780777901559706711591757311670586364660318507919464347007228416958520583896816982361493768094144164398177424099646935714315818753906720347363821517594519471741219016132665674464529059790472482599388053023390548355673259804407603996504451144435351

Factorizations

Primary (ID: 179554) 1206612267683238827910296444471502089880413419770553 (proven prime)
(ID: 179555) 213079678589443999265172457644868566208956541870467450651475614976651429529431329708769319480977248937656329683069098060867994216466939197835428875097432662591096677546623014307478114465412866582120217337541099719488144100950145688801391135537188903757456251975127908839839292668546309950164890994564086830871309636421956381764357219888133147153527303071812478554483581888497777557746220794706221735067401167 (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.