Factor Info

ID 155046
Size 288 digits / 955 bits
Status composite
Value 290503448072874457987968189257001479381614958747871660766072698120907740173531526266509089805363405241944639673821234172672678542090956417065756372707911631187878492643561392023070879076548363514700618805580299346580246579858877624691131468067643200138810295702828400647388052480392696513

Factorizations

Primary (ID: 154747) 7231746495781123585793 (proven prime)
(ID: 155047) 40170579574705663244794237862825345174345779701062894707166034059636351641202490805358455755033860028006893474300973562418013130160766883637839977408383434720151361303421245714729962107871089078365894383482673827448474653462654785084541254861716023480270899773103041 (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.