Factor Info

ID 155111
Size 157 digits / 521 bits
Status composite
Value 4949759391344558116042865639570638295011444343964994577934083522354248108538235493041500211923083092059810560661987029225668645387383577783941714271162635221

Factorizations

Primary (ID: 155486) 77890519715454496560396129461 (proven prime)
(ID: 189051) 63547648795087718439217465565176964751840672473011013176165590304008087514378656495271564669413489516916988496407168790708672161 (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.