Factor Info

ID 213451
Size 331 digits / 1098 bits
Status composite
Value 2563348646764221088583910723983001539746286458442767420823360555532445817412093786096175369789525381459442217615440858068701369959837820183105378271751935011847064073636351774999538861358665805267229070893989190547476310639971447197534441784793014748353383093599902309273728526588376853855557482183970764460012808100096722138309519

Factorizations

Primary (ID: 213452) 15466260746939817958558661 (proven prime)
(ID: 213453) 165738098478095931566989520222830346262540659036207542202948484290169435217452156669728620589587718667155068205947407716083880655513140859771340876620808672379449140665493167208902613668383146059139483639252513675157373524991101332642497627741262588838702045234751809259815405887255689173207601868846957379 (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.