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简答题 For this question，indicate all of the answerchoices that apply．
Which of the following are factors of 240？

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A，C，D．
The number 240 factors int0 240=24 X10=6×4×10，for a prime factorization of 2×3×2×2×5×2．You can find the factors of 6=2×3 in this，aswell as both l2=2×2×3 and 20=2×2×5．However，there is only one 3，and thus you cannot make9=3×3，36=3×3×2×2，or 45=3×3× 5．Thus 240 can be evenly divided by 6，12，and 20，but not by 9，36，or 45．

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