Factor Info

ID 173871
Size 87 digits / 287 bits
Status composite
Value 170426898704525091435058058779272069446769112804379273347880503473429121004551911129427

Factorizations

Primary (ID: 138848) 7282588256957615350925401 (proven prime)
(ID: 173872) 23401968186475900012466786061361492328450338462163636724703627 (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.