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Divisible by

CONCEPTS

Definitions

• Divisible by: a number can be divided into another number. Use the same method as LCM to determine the divisors.

PRACTICE PROBLEMS

Question 1 A positive integer is divisible by 15, 25, & 30. What is the smallest value of x?


-- Answer -- 150

15 = 3 * 5, 25 = 5 * 5, 30 = 3 * 2 * 5 => 3 * 5 * 5 * 2 = 150

ACT PRACTICE PROBLEMS

71c

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