Factor Info

ID 161901
Size 624 digits / 2071 bits
Status composite
Value 151073556627647528401773684611940212102082171297906671912992849592070352077110256357688698213797247190876645163594307572670864684655026711778364858366393002055482596045624672461425448111224095440183991186999108634510985656071631114180196506684160668055847062717046391073631452875913325567959657461616341925541850143324969608173654416842534204296102543737597921663942371295627510354965444221465080388322931619532285954765229023835842438347109145309832952539320733193203283499993170337279688059139820044342985566759144487807632230066391068519325303308036973241361450771972432770898061013455190273613318907984491502135144093093

Factorizations

Primary (ID: 161902) 32211477984824050123733749 (proven prime)
(ID: 161903) 4690053548577421562959305897236212001661321151475059577128726773002811347910525931554634301725028250773475441564187759436640372984752005641301859673027809096277439907744416008810577842243136364603446300176879421772108373165907047267814004516013349835229729156785003473266149461145790322244547936626348441544671491503504498521511769625405344769065374221883473793799120203519789280006136156255471390778100373241858736530084985139928086171976780595999111980252121698870382284493625699577003634265232223630348867465817433078856200083390724069580678478638668795188589308094952932090987717214243973980657 (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.