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Q: How do you use a factor tree for the number 20 with all prime numbers?
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What is factor tree of a number?

A factor tree of number is (I think) the numbers that multiply together to form a product. They are prime numbers, too.


Does a factor tree end in a prime or compasite number?

The bottom branch of a factor tree consists entirely of prime numbers.


What is the factor tree of the number 11?

11 is a prime number. Prime numbers don't have trees. Their only prime factor is themselves.


How can a factor tree help you determine if a number is prime or composite?

Prime numbers don't have factor trees. So if you can create a tree, your number's composite.


Why are prime numbers at the bottom of the factor tree?

Their at the bottom of the tree because the hole point of a factor tree is to find the prime factorization of the number, so it would be at the bottom of the tree.


What is a factor tree and how do youknow when a factor tree is complete?

When the bottom branch consists entirely of prime numbers.


What is a factor tree look like?

A factor tree is when you take a number and bring it down to prime numbers. You do this by diving the number, and drawing to lines from the number and putting the two numbers that multiply into the starting number. You do that until you have all prime numbers. This skill can be usefull for greatest common factor and lowest commen multiple.


Are prime numbers allowed in factor trees?

In all but the topmost branch, they're mandatory. it doesn't make sense to put a prime number at the top of a tree, since prime numbers don't have prime factorizations. The only prime factor of a prime number is the number itself, so the tree doesn't have anywhere to go.


What is the factor tree of 21?

3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.


How do you make a factor tree of 41 with the final answer a exponet?

You don't. 41 is a prime number. Prime numbers don't have factor trees, since they only have one prime factor.


How do you write a factor tree for a prime number?

The purpose of a factor tree is to notate the process of finding the prime factorization. If a number is already prime, a factor tree is not necessary.


What is the name of the equation that you use on the prime numbers left over after a factor tree?

The prime factorization of the number at the top