anonymous
  • anonymous
whats the easiest way to find the lcm of three numbers?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
If you give me three numbers I will tell you how I do it.
anonymous
  • anonymous
6,18,12
anonymous
  • anonymous
Do you know how to find prime factors? 6 = 2 * 3 18 = 2 * 3 * 3 12 = 2 * 2 * 3 Do you understand this so far?

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anonymous
  • anonymous
yeah like a factor tree?
anonymous
  • anonymous
Yes... now I circle any number that they all have in common - so put a big circle around one 2 in each of the three
anonymous
  • anonymous
Now put one big circle around one 3 in each of the three numbers.
anonymous
  • anonymous
gotcha,
anonymous
  • anonymous
The circled numbers count once ... what I mean is you have 1 (2) and 1(3) because they were circled and then you have 1 (2) and 1(3) that are not circled so you have 2 * 3 (the circled ones) * 2 * 3 (the uncircled ones) 36
anonymous
  • anonymous
ok thank you!

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