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2^X)(3^Y) is the largest positive divisor of 8!*9!*10! Find

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2^X)(3^Y) is the largest positive divisor of 8!*9!*10! Find [#permalink] New post 31 Aug 2003, 11:13
(2^X)(3^Y) is the largest positive divisor of 8!*9!*10!
Find the product XY.
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 [#permalink] New post 31 Aug 2003, 14:34
x=22 y=10

x.y=220?
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 [#permalink] New post 31 Aug 2003, 17:52
I also get X=22 and Y=10

find the prime factors of 10!, 9! and 8!. Count the number of 3's and the number of 2's

X.Y=220

Great question.
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 [#permalink] New post 05 Sep 2003, 09:07
camel wrote:
I also get X=22 and Y=10

find the prime factors of 10!, 9! and 8!. Count the number of 3's and the number of 2's

X.Y=220

Great question.


The core idea is correct.
I am lazy to check the ariphmetics.
  [#permalink] 05 Sep 2003, 09:07
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2^X)(3^Y) is the largest positive divisor of 8!*9!*10! Find

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