Factor the Composite Number 21 into the Product of Prime $7 \cdot 3$

question 54

Multiple Choice

Factor the composite number 21 into the product of prime numbers. For example: 30 = 2 * 3 * 5.

• A) \(7 \cdot 3\)
• B) \(21 \cdot 1\)
• C) \(3 + 18\)
• D) \(19 + 2\)
• E) \(1 \cdot 21\)

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