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October 25, 2014

Posted by **anonymous** on Saturday, March 19, 2011 at 10:37pm.

240, 10,000, and 4500

Find the prime factorization of the number, and write it in exponent form.

670

Find the LCM for the given numbers by an appropriate method.

24, 54, and 27

- math -
**Reiny**, Sunday, March 20, 2011 at 8:54am240 = 2x2x2x3x5

10000 = 2x2x2x2x5x5x5x5x5

4500 = 2x2x3x3x5x5x5

HCF = 2x2x5 = 20

(2x2x5) is the longest string of multipliers that appears in all 3 numbers.

670 = 2x5x67

24=2x2x3x3

54 = 2x3x3x3

27 = 3x3x3

LCM = 2x2x3x3x3 = 108

(write down the longest string of factors you see.

Look at your other numbers and include any factors not already listed)

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