Factor Info

ID 172513
Size 539 digits / 1789 bits
Status composite
Value 18814990188969168648146667136140956395242608950022872691004379315820901522479872565166765332369260083238050699142458483630894594593139860192563453760425311930868416798324333101229773389912909293958955713722315221592655641158642337882634955851234189455238174182509635632688902365327993774225160546519449923480911041687890776143196600816691955754600725753695333058342422250990957509228920133163444249445583468451110008911890990040262216901105216549724525501464329947017079437874147613875401666911812879388123280643613564175034353848221598721

Factorizations

Primary (ID: 171500) 857154232620792007684510744353576437644914847 (proven prime)
(ID: 172514) 21950530573058472286650815923915225381248750250099444651679871614753376410903619585783443264994033367776347693768036900282644065086405787005390276971503723514129950272100160381698770178123353508697706580577730023998279866023300703632665265041068622572435754415308602750272374954291401983219390173804685474025591186991357955411655834174075855879253147501925403881267128886818020336925789509232354522157913974177117133567760979683814700577718126497335513898680426496048302108476537350805964334943 (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.