Factor Info

ID 207928
Size 45 digits / 149 bits
Status composite
Value 405913998116732981935780256191754757792534971

Factorizations

Primary (ID: 207929) 268718396039169958631 (proven prime)
(ID: 207930) 1510555302873885095728141 (proven prime)

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.