Factor Info

ID 81861
Size 315 digits / 1044 bits
Status composite
Value 166120479209218543919068209637528962292099376039696359203572461921109243681728323326312619831350932910816035116043032130078529536008086402657335033649623038221210011213698370838617412552885916823882038680751717767990505015428222320561379316983501077764839474457073506680716629322412233384641433642249036340434051711

Factorizations

Primary (ID: 81130) 172053642296900809660763987728555244160431048017543319540677416559730263477 (proven prime)
(ID: 81862) 965515620544412389941255640431082476917696648746932851931240268997088424996344860484918110991534833567143264087361247380384385383941907513331436782380644234057686511987239423266764026260114708070227207259615579638395763887256480205136668643 (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.