Suppose the number $1155$ is written as the product of three positive integers. What is the smallest possible value of the sum of those three integers?
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first write given number as product of prime
1155=3×5×7×11
but we need sum of smallest possible three integers
1155=(3×5)×7×11
=7×11×15
∴Required sum of three integers=7+11+15=33
1155=3×5×7×11
but we need sum of smallest possible three integers
1155=(3×5)×7×11
=7×11×15
∴Required sum of three integers=7+11+15=33
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