How many positive divisors does 50 have?
Answer and explanation
Correct answer: B. 6
- Step 1: 50 = 2^1 × 5^2. Step 2. Number of divisors = (1 + 1)(2 + 1) = 6. Answer: 6. Why not the others: 2 is what you get if you multiply the exponents. 3 is what you get if you add the exponents. 7 is what you get if you count one extra divisor.
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