Factor Info

ID 66540
Size 417 digits / 1385 bits
Status composite
Value 690736369195407167554183886154732356995070343309571986740210529853821889372863326161856972625516514552319936020515450367632211423444519753864089946231740826283748018496111020675106461077670884968974544049073739647492504440842439313129724728817216014443827439203284903268791698860277023264600198670781349980187436802916731514086918981764702755253564475194683604934966276919576019425881195784758524451173225752998624307

Factorizations

Primary (ID: 65729) 1961870762757168078553 (proven prime)
(ID: 66541) 352080464375065231155765487245935423940628353482403822470782477208861628430857899954988808841434241719553672192919120380144803398153387655703461870846210964626641300773550330291555058572597061307932299099859004719009401478880458039989512675706931334301608007687015964566485224556924955164895107192775447656751755668123657167558319895794065212327304632207999839302635308227029315209462556886000619 (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.