Factor Info

ID 42776
Size 255 digits / 845 bits
Status composite
Value 138317678168021116279432425115594340745055520477421134197588813809848930767535399774739145610552898082987912301969200004420058686420394846744001254357281738848153305266641585570975294243651706904124031889183984344846321199466484077319005496156135469565133

Factorizations

Primary (ID: 42777) 18412637457480863604763373 (proven prime)
(ID: 42778) 7512105665873743601488270932609810183282827246311359591963043779101720386157884149582361275567896293927944940438886380364274682671511467709381535156797889348780059263920569034867006455029552259413376997151877966249580275261089121 (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.