The LCM of 2^3 x 3 x 7 and 2^2 x 3^2 x 7 is 2^3 x 3^2 x 7
The LCM of 168 and 252 is 504
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1056. 24 = 23 x 3 32 = 25 44 = 22 x 11 lcm = 25 x 3 x 11 = 1056
72 = 23 x 32 24 = 23 x 3 16 = 24 The LCM of 72, 24, and 16 is 24 x 32 = 144.
To solve the LCM of 180 and 252, factor them in their prime factors...180 = 2 * 2 * 3 * 3 * 5 = 22 * 32 * 51252 = 2 * 2 * 3 * 3 * 7 = 22 * 32 * 71... then multiply the prime factors with the highest power together...22 * 32 * 51 * 71 = 1260180 and 252 is a simple example which does not completely illustrate the priniciple involved. A better example might be 48 and 180...48 = 2 * 2 * 2 * 2 * 3 = 24 * 31180 = 2 * 2 * 3 * 3 * 5 = 22 * 32 * 51... so the LCM would be 24 * 32 * 51 = 720
1764. 98 = 2 x 72 36 = 22 x 32 42 = 2 x 3 x 7 lcm = 22 x 32 x 72 = 1764
96/32 = 3, 96/24=4.