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How many positive divisors of 30! are prime?

 Feb 12, 2018
 #1
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30! =  2^26 * 3^14 * 5^7 * 7^4 * 11^2 * 13^2 * 17 * 19 * 23 * 29. Count the base numbers only.

 Feb 12, 2018
edited by Guest  Feb 12, 2018
 #2
avatar+3830 
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Thanks, Guest! smiley That is correct!

 Feb 12, 2018

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