Factor Info

ID 20307
Size 239 digits / 793 bits
Status composite
Value 42853374811079801405289369251376011135515517921569249485954658163943659864189371767172584288988033896824266510017754583063145973061074241174196473926900725833340191938658119924077768425446735333778889983596860566532232925860598184701887333

Factorizations

Primary (ID: 2219) 2304017384484085131816292573 (proven prime)
(ID: 20308) 18599414700456140867517503269688862476924324167180901393609761024010492440344174419045713796199310923566803200887678082590744415115518193313153059345143059402059934396138493675389870440325577924967874630961582121 (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.