Factor Info

ID 87515
Size 618 digits / 2053 bits
Status composite
Value 718721747585790178802858636724409707624507696123655658003049425510343193003955623599000249875703268998347636076045728425206706954392633080711901720934539738460497518831516426270567638504126931517236373059084747050985542702265773478780295700992640753092107449883467468946810104202699949270553210816405001939009359923364858308132643512423927014766565495419883063670367290269382674465795220338564688384385447505525751233170027157836646375919602383176948656609411036652322543135862442457982275480349740818953910758519800891028390888077265582399725838561417264930543821107884129675475049829571476411653767004656863170461693

Factorizations

Primary (ID: 14771) 1127502011747036253554384419165224253518771590460361 (proven prime)
(ID: 87516) 637446088874066620824395797642429178797320134818914924842036774245872307753489362285958712380891232258632930297931360534204898549441217312854039464878783239893561410655385387771696106379852240485700210482697681073788982728837292853127732970997531986796460431832865295788851355444816807863435741684970973974579917569905404849454740684259505120049296358400009898508793237259611943958494742575982314750062099224574561667177314291358210321877709273331864401940623055265968871102641562739709112652327890088826949634824331305337927178311394190858831262310380414741889957013 (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.