Find the LCM for the given numbers by an appropriate method.
-60, 40, and 70
A)120
B)280
C)840
D)420

Name: Find the LCM for the given numbers by an appropriate method. -60, 40, and 70 A)120 B)280 C)840 D)420
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Question

Quizplus · Accepted Answer

The LCM of 60, 40, and 70 can be found by first breaking each number down into its prime factors: 60 = 2^2 * 3 * 5, 40 = 2^3 * 5, and 70 = 2 * 5 * 7. The LCM is then calculated by taking the highest power of each prime number present in any of the numbers, which gives us 2^3 * 3 * 5 * 7 = 840.

Find the LCM for the Given Numbers by an Appropriate