Factor Info

ID 100917
Size 291 digits / 965 bits
Status composite
Value 217860770664373581824924488116333525992203597835751000892508275613284747350518485935024368994370442290029280539156029615412718727173155430059376700087012624653341887364283321788337350295354722672390583755528732606026914120147337862733262645034476991436279669405400001366417868652973920897051

Factorizations

Primary (ID: 43777) 9201239825646414996127608251 (proven prime)
(ID: 115142) 23677327707200393738977718043479443487660252179123406251707776002326274953697661701952037419251518991561137445547983296064883123296084862692448686269383497284568883768066438045367558308573807534579163783991615575895106066546184531822362623014210409947758730688801 (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.