Question:medium
The least common multiple of a number and 990 is 6930. The greatest common divisor of that number and 550 is 110. What is the sum of the digits of the least possible value of that number ?
The least common multiple of a number and 990 is 6930. The greatest common divisor of that number and 550 is 110. What is the sum of the digits of the least possible value of that number ?
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Always use prime factorization for LCM and GCD problems. A number's prime factors must satisfy the maximum powers found in the LCM and the minimum powers found in the GCD.
Updated On: Mar 26, 2026
- 16
- 14
- 3
- 9
- 18
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The Correct Option is B
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