Factor Info

ID 143508
Size 272 digits / 902 bits
Status composite
Value 20979220215283408131604968999905016966552884506545003742264107123295134494344154068554641042766601038163234320452210321859368267780888362158376702441001111392278689892468974875649071904370267339664448484364000935787319537282221455121838746413566641181960719326903407490287

Factorizations

Primary (ID: 179310) 11461398647271642302441828146297 (proven prime)
(ID: 179311) 1830424092288026277979165749114116558362443999354724531207315154733465712485348897729068566971423676025318258612176543871857305194302699534090549253909907735176958557811544600187660383726233755288347665097336696505849594795991278117248725671 (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.