Factor Info

ID 155999
Size 771 digits / 2560 bits
Status composite
Value 383511575355817958087760755653980650948081041079203278929690283705933272015106118707164782597130330839036602433162212551927294554515957438049886861184074859781934686174077222068089738968614105897726874177469958985267550596174661043684347797698765577522682542147029112584268862720665071742814859952123637696642041219360376327490173214545244804903167912642359206676838843649912698853242994805400968579559215133579660492630487741317479931488150115235406516312009242559184986388807554103886381725600698708871201966487949476767243639946747435084906305904711355592011731094578422728978823279347900264110352814602251164649125215088271173371182430218696622472814055848256377427454782316089898393041376614567071437671830863516246352485187736674076244793765732184448276547317948483

Factorizations

Primary (ID: 188883) 643986783392209042595747974257491528592230149804423011287368192500429695161543184376355967461204228028424748214289483035148176326510777509661753889631652988893783978803155596248058509833182439420805609082753 (proven prime)
(ID: 189937) 595527090378572021299619666485547842477117803653407723947922167171467671153052417352743237677721983497028711185321275290182560843877746466627358240349115226966370091494459041805824142957548869659399736550232168672726203768603851778464908984784307955188386810576977572812315520998287983474760665074402020820264399463203080823206661348538457152443646784508552772832006536625767693154486628203226792295303821282254479259681451552444186352201362910178020339359688899269544451419158365069266607702464425426143333431053497844183043779806370401703855023873401326386729411 (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.