Factor Info

ID 172118
Size 261 digits / 865 bits
Status composite
Value 148424574070778953983526071858415956868811517834087815521784251440270943625472538090510597972001309778029709976232396182861471620911133896894827405381539222085924296009819708902204977142343589925243943034900656487418250790530220765194252705737564724702123655081

Factorizations

Primary (ID: 136554) 407224484166884181877362445718270557537330551361 (proven prime)
(ID: 172119) 364478512077759194075253249437841378057283462931037343775148743776671505956671846760907128832829323042505888551991272713616894469797347633944815651877146294313178007548393665801556941451275743763047203661633436521 (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.