Factor Info

ID 12640
Size 254 digits / 842 bits
Status composite
Value 20058153086146312396374993482522580428530525355581265327177985661289178032591368423947884191017664640153228169718555420109890629078509769177935105131698610564034393962028643814631879083448389211172184008021039356223087265059501239306645555321795202067769

Factorizations

Primary (ID: 12641) 34661148934297509464318109174577647787217 (proven prime)
(ID: 12642) 578692677619194406126540280386670472328392397717439896660052289896006021887020933741330576656067347588610166647649080213064304299730485692944562015910039534089264664516325876045680166624980336219570113089197409257 (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.