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You do a factor tree

80

/ \

2 40

/ \

4 10

/ \ / \

2 2 2 5

Circle all prime numbers (bold) and then list different combinations of those to find them. Like 2 x 2, 2 x 5 and then go on to 2 x 2 x 2, 2 x 2 x 5 etc. and those answers will each be a factor. 2 x 2 = 4, therefore 4 is a factor of 80.

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11y ago
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14y ago

You find what half of the number is and then you look through all of the numbers and whichever numbers go into that number evenly are factors.

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Q: How do you find all of the factors of a number?
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Would you rather find all the factors of a number or find all the prime factors of a number?

Once all the prime factors of a number have been found, the number of factors the number has and what they are can be found. I'd be finding the prime factors first before finding all the factors of a number, so I'd rather find all the prime factors as it means I can stop before I have to do more work in finding all the factors.


What does a factor tree find?

All factors of a number


What is the formula for finding the factors of 240?

The procedure to find all factors of a number are: 1) Separate the number into prime factors. 2) Try out all combinations of those factors.


How many factors do you have to list when it asks you find all of the whole number factors?

All of them. Different numbers have different numbers of factors.


Find all factors of number 27?

1,3,9 and27


Multiplication to find all the possible factors of the number 56?

1,2,7,8,28,56


What are concepts to finding the greatest common factor?

-- List all factors of the first number. -- List all factors of the second number. -- If there are more than two numbers, list all factors of each one. -- Find the set of factors that are on every list. -- Find the greatest factor in the set.


What are all the prime factors of 51 How does this help you find all the possible factors of the number?

The prime factors of 51 are 3 and 17. Once you add itself and one, you have all the factors. (1,3,17,51)


What are all lists of the factors of a composite number?

One needs the composite number before he can find its factors. Thus the solution I shall give is ∞.


How is prime factorization different from finding factors of a number?

All numbers have factors. Some factors are prime numbers, some are composite numbers, one is neither. When finding the factors of a number, you find all the factors. The prime factorization is a multiplication string of just prime factors that will total the given number.


Find the highest number with no factors from 1 to 100?

There is none. All the numbers have at least 1 and themselves as factors.


Find all factors of number 63?

Factors of 63 are 1, 3, 7, 9, 21 and 63.