Factor Info

ID 81986
Size 256 digits / 850 bits
Status composite
Value 4464250199756408816988597987802772661544149661400506924793890144827407856215011075233667640043419398084405387719136448377618438490287841797400243159602983545607060087626873765219944317993689870987210892590061340560786169043110565978032563767633696493255781

Factorizations

Primary (ID: 81338) 296436853200417446225166000757882806503798221113851 (proven prime)
(ID: 81987) 15059700410252911839708488164380630905527376265471531718601232767363165350495177242138485010101593420886197250061733696207284874750221967260609209531349841742628912415128093476749501882655996740324702086431 (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.