Factor Info

ID 153375
Size 696 digits / 2312 bits
Status composite
Value 857470508680762217759388454063861341436654899527866534257051746387248516191902698155894749483328380870230929233413733193804681482632398741563790415038982968673739913535330258070642685875506985232302275360027437159848964584475604668111005997818909348621725215379563060941521931952813820795834611064986498479428083257163384182696908202654435479854665361342964736759487988223599874996227106599417681812600584929919980474997145636308823254449569886341220068706380259220211723117791481590601458885388313565845341865633158859279126661310416279713523586632645055467693463018344088942297835095610243350878327580180819096414305419824730838997620605341958460568713269803739623710902045787899406825752183519

Factorizations

Primary (ID: 152293) 12434595903280751190214291 (proven prime)
(ID: 187471) 68958453925674149810320385198141245923367019551652872798709049764875907623753875510644389096236581515196504546004519900094780636928451489144138943003692001911284348664374183159426285779846197523747045660805932771455346299091530198096460438068147267573161839739368015734108464327788074030109293716061275712097276936202941556377277691680625106189044569630240059940482947396590133135363940061192604429874878446814317227922413232947809583397525168760391004327284779794841912283508765995169009814477418875510551040868105420791625377701592490115257092188970946519741648203140123355888272663845384724393533193323220234775754631352488765775621268227526520723936255056940065723909 (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.