Factor Info

ID 81514
Size 288 digits / 955 bits
Status composite
Value 173457071937128943989548743080742391773011528998014809575158763492620384325611552007448142335869982246617157988250784634687764350093610684497916085463460658497809360256656245032093230163102103394251012969223699834529157415791769483031297348603239196303122126636608094294719243531648159007

Factorizations

Primary (ID: 81129) 559739148442351350196576315930699382943608532088866467856187 (proven prime)
(ID: 81515) 309889119636936799544564602174811736536554117472868057798369991430510690422971209155854255772940777401502391418938499601189118664439576400442418750790404687343553520473379968398690381365770229101249491552527254263387613903786861 (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.