Factor Info

ID 17516
Size 152 digits / 505 bits
Status composite
Value 99352871059052293313947845035013750230452978742866214745699826161496806170791971866628672589754979940050520400078573018973812611183466979954983150871889

Factorizations

Primary (ID: 17517) 160021185991868323844533898916209 (proven prime)
(ID: 17518) 620873232773696811473831156299314487992194896703892902112243253003882045594178888741487122235928819998741493052294103521 (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.