Factor Info

ID 64307
Size 471 digits / 1562 bits
Status composite
Value 159305872574549402177056503679982649162216999083415735080052342284128083170123273031986106922249180635120203674201236912787628703125055697870149965570300151661495691825902257563872907974745253576695365948176208594245721726984791640565781849471720152526544104705130080152087014498176156795328461421799329232280998786438462867536663198562643995715355298559989461390305913593474050610375274748623758444240828814408945475864606843866949014337252110891457703911162522180395609

Factorizations

Primary (ID: 63353) 28758863909916435817 (proven prime)
(ID: 64308) 5539365987250234697122952446941982873828813800686302284016956425514897681226519139331550716742526733452171940892147238879013328807733360929488767414881410769824713807993052282796057998329788373025699612141980486889747349771915089149496488932822728861600012276920302212689104425359500024826791307093134047393242059332042731584593491514894784528396028477192578912636443070952017427993920748630707358167226788880001976401197751419218019612515220362168177 (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.