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## Answers

The Brainliest Answer!

so how man even numbers are 2,4,6...20 (10 numbers)

so it 2¹⁰

then multiples of 4 4.8.12.16.20 (4 numbers)

so it has 2¹⁴

then mulitples of 8 8,16 (2 numbers)

so it has 2¹⁶

then finally multiple of 16 (1 number)

so it has 2¹⁷

so maximum value of

__n=17__as 21!=(3×5×7..×21)(2¹⁷)(1×3×5×9)(1×3×5)(1×3)

so now u can say n=17

n≠65