Factor Info

ID 21856
Size 271 digits / 898 bits
Status composite
Value 1366741302735848183869725030493893247282464456712577458803819520577122326818349468935866866892065778023029815044403885907930244061916245969517677249268462450645135141065299737701565704767053877264998662375233881593202024745225214810999518956687582599113944938132630672769

Factorizations

Primary (ID: 7543) 28753787197056661026689 (proven prime)
(ID: 21857) 47532566523124043966588643425823596865546127158352592747274602311587687470940308005581019644082875122629871425912281735636369840951927748092126404491307983982138376605318416645352229450951248644461221017617319374539616826425377429036051621499870721 (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.