Factor Info

ID 152172
Size 83 digits / 274 bits
Status composite
Value 16573844579485364637870002093275608697497096774193548387096774198597432882774222893

Factorizations

Primary (ID: 152113) 156520419366000909683 (proven prime)
(ID: 152173) 105889344320818412137741935483870967741935483870967741935483871 (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.