Factor Info

ID 151299
Size 654 digits / 2170 bits
Status composite
Value 123077074134357916680717018080493029503332997262519916558378147727050882646898921031053131656395746389725829694814757957305834433437002905333603779494768437924597486104053204449338551285053876116335971794729394290594342445151389822936221651041861198919194914990407347744461634039410133421582919179674333614089094921657659430360790583704186272991249821936927277457834236779249303235608986762092682400875287906136408817578014997921975507780452789342173368981079297328070585292261167413541465984936415662413518511220149613473573304851485980169038072599005313644368311708877476168752804308626525810434549981691083355953794351086864767111429893733292253340283

Factorizations

Primary (ID: 149654) 1971810216061538373537448753 (proven prime)
(ID: 185447) 62418316495078345311029764863476542356217176354508775989000659082473527770885167873787413220115853407424734928124722587663853718384245704396617116367519441437877296717443440576872009240381185220704062803977416409540666450494447404144973669032623103326737037074997617256528419142592784906634860551779008510716938720066184048174141985469867988742969353014640207473153550664043127312036934047189136508474439879119150736616502114239368633489994764572288616144521938519163285048126987639097174814381765959549474706337663353572556544014116593200842732026268197544522494092663713436469431354774956144078864431238556723200854525468011 (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.