Factor Info

ID 103581
Size 500 digits / 1660 bits
Status composite
Value 47243820423201380255099442565744695035781190547566051262835231759255092325058253378536190120127176333374718130070737948138332718961675045225888866088077506131014296875799730541459288146270811759070873368523271536846249068395436906676648318572056325098661663124031563971112000282283745419518155391692491080712297599980431705950010900401967213325929024290758133797555656567625590326141195958009787665476002152024050404091985541326182728271662524927586505306206581730447892610032289587698509127412407543

Factorizations

Primary (ID: 249) 2871307447985313921708888731089 (proven prime)
(ID: 121746) 16453765846757564482348856728503345191180410312615676648107621633753780876643875789499860106007612565500164579491007032812181059288314526549404443512040266563697514586681365901214385568071821004166760096796536530538940149065827972364984115348008179787730023622447568044404911675803551822551064443956253617722254048418406271229008104859384136728754342586944714457035130330883472171842734557892614202750887059348381997667759982488466737545821123308977901654142277872265287 (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.