Question:
If \( a \) is the smallest prime number greater than 21 and \( b \) is the largest prime number less than 16, then \( ab = ? \)
If \( a \) is the smallest prime number greater than 21 and \( b \) is the largest prime number less than 16, then \( ab = ? \)
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To find prime numbers, list out the possible primes between the given numbers and use multiplication to find the product.
Updated On: Sep 30, 2025
- 299
- 323
- 330
- 345
- 351
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The Correct Option is C
Solution and Explanation
The smallest prime number greater than 21 is 23.
The largest prime number less than 16 is 13.
Thus, \( ab = 23 \times 13 = 299 \).
Final Answer: \[ \boxed{299} \]
Final Answer: \[ \boxed{299} \]
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