Factor Info

ID 189142
Size 255 digits / 847 bits
Status composite
Value 863674082150062294834257631976798165455644514561309862288271638074194100654432115832551854903445239937655125455905309830752821552548176889901652456819574812453302068083013865358284142620370739668878027860327317371895714280419501949325281250819190158088069

Factorizations

Primary (ID: 154626) 728921581954037396189325850537700569 (proven prime)
(ID: 189143) 1184865565147338169188733469284151145463775059732744598220730378764908586897924492147756665152093695185319821095151168585752296933973750327420630678298080751392593496835746014583699581841458712872314067941139506697487501 (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.