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List the number at the bottom. Break it down into factors by placing them on successive lines above the original number. Stop when all the factors are prime.

7,5,3,2

35,3,2

105,2

210

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Q: How do you use the rainbow method to list factors?
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Related questions

What strategy do you use to complete a list of factors?

you use a factor tree


How could you know if the factors you got are correct?

Use distrubutive method


How can you test a rainbow?

Just like anything else that you could test, the method you use depends on what you wonder about it, and what question you want to answer.


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When you have to list factors can you use the same numbers twice?

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How do you use the list method to find the greatest common factor?

Example: 30 and 42The factors of 30 are:1, 2, 3, 5, 6, 10, 15, 30The factors of 42 are:1, 2, 3, 6, 7, 14, 21, 42The common factors are:1, 2, 3, 6The Greatest Common Factor:GCF = 6


What does product of their prime factors mean?

Expressing a number as a "product of its prime factors" is also known as the prime factorization. To find the prime factorization, keep dividing a number by prime numbers until all the factors are prime. You can also use a factor tree or rainbow or fireworks or whichever method works best for you. Example: 330 330 165,2 55,3,2 11,5,3,2 2 x 3 x 5 x 11 = 330, expressed as a product of its prime factors.


What companies use the direct method for statement of cash flows?

I don't have a comprehensive list, but I can cite one direct method cash flow example - EMC Corporation (ticker NYSE: EMC). I too would welcome a list if anyone has one.


When finding LCM do you have to keep going up using big numbers?

If you use the "list the multiples" method of finding the LCM, it is likely that the lists and the size of the numbers on the list will increase as the numbers you are comparing get larger. If you learn the "prime factorization" method, you can avoid that.


Write a java program to sort a list of numbers?

The simplest would be to put the numbers into an int[] (integer array) and pass that to java.util.Arrays.sort(int[]) (a static method), which will sort the array in ascending numerical order. Use a float[] or double[] if you need to sort non-whole numbers. You can also use the Collections.sort(List) method to sort the List directly. Or the Collections.sort(List, Comparator) if you wish to specify your own sorting criteria.