Factor Info

ID 214222
Size 142 digits / 472 bits
Status composite
Value 7974813971042835294808032014410530538192369077305151835837266337126613050568848245338439100115578094452106869298552019562469495825913400931669

Factorizations

Primary (ID: 225638) 172792433298932303043973854817551902591 (proven prime)
(ID: 225639) 46152564778379750079801136496926415710370839804484950066424939463468983554257116402999368238732601666859 (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.