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Find the LCM of 216 and 72 and 270 using the individual prime factoring method?
Wiki User
∙ 8y ago
2 x 2 x 2 x 3 x 3 = 72
2 x 2 x 2 x 3 x 3 x 3 = 216
2 x 3 x 3 x 3 x 5 = 270
2 x 2 x 2 x 3 x 3 x 3 x 5 = 1080, the LCM
Wiki User
∙ 8y ago
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using the quadratic formula or the graphics calculator. Yes, you can do it another way, by using a new method, called Diagonal Sum Method, that can quickly and directly give the 2 roots, without having to factor the equation. This method is fast, convenient and is applicable to any quadratic equation in standard form ax^2 +bx + c = 0, whenever it can be factored. It requires fewer permutations than the factoring method does, especially when the constants a, b, and c are large numbers. If this method fails to get answer, then consequently, the quadratic formula must be used to solve the given equation. It is a trial-and-error method, same as the factoring method, that usually takes fewer than 3 trials to solve any quadratic equation. See book titled:" New methods for solving quadratic equations and inequalities" (Trafford Publishing 2009)
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2 x 2 x 2 x 3 x 3 x 3 = 216 2 x 3 x 3 x 3 x 5 = 270 2 x 2 x 2 x 3 x 3 x 3 x 5 = 1080, the LCM
