Evaluate
380
Factor
2^{2}\times 5\times 19
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\frac{2432902008176640000}{18!}
The factorial of 20 is 2432902008176640000.
\frac{2432902008176640000}{6402373705728000}
The factorial of 18 is 6402373705728000.
380
Divide 2432902008176640000 by 6402373705728000 to get 380.
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Matrix
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