Factor Info

ID 201788
Size 336 digits / 1114 bits
Status composite
Value 157120875756658724575251037206448941221689126513238732394005168102575645432306412820268027916532462369061452592095748661568388156883023295563231729776131810370069436415266227089422624359489725902793724105190619262943170127669637181710432099343841577895091893631102185623042016260474271772170492271845310308686197191766606052033429790247

Factorizations

Primary (ID: 216270) 16183254660187426238247314936912852351 (proven prime)
(ID: 216271) 9708855175046663349738331604258541762902252876015974734245348903497281866964163110724894873859443393416766436670886587071080971415641655398615486397468406708868834757050793495039861663219347255247157342036995902019212183370979915208966785512244315055124138469564260647722742090614173619283098942297 (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.