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In the prime factorization of 12! + 15! + 18! + 21! + 24!, what is the exponent of 3?

 Jan 7, 2022
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12! + 15! + 18! + 21! + 24!==6.204994990790930078976e+23 = 2^10 * 3^5 * 5^2 * 7 * 11 * 53 * 129169 * 189221423

 

3^5 ==5 is the exponent of 3.

 Jan 7, 2022

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