How many positive factors does the number 144 have?
✓ Correct Answer: Option C
The prime factorization of 144 is 2^4 * 3^2. To find the number of factors, add 1 to each exponent and multiply the results: (4+1) * (2+1) = 5 * 3 = 15.
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This 2-level GRE Exam Prep question from the Quantitative Reasoning topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
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