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SAT Math Practice Exam

Category - Mathematics - Hard

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The product of two numbers is 1600 and their Highest Common Factor ( H.C.F.) is 5. The Lowest Common Multiple (L.C.M.) of the numbers is _______

320
1595
1605
8000

Explanation

Answer A: The product of two numbers is equal to their Highest Common Factor ( H.C.F.) and Lowest Common Multiple (LCM). LCM = 1600/ 5 = 320

Key takeaway: This is a fundamental rule and you can solve the questions in a simple way.

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SAT Math Practice Exam

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