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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.
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.
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.
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.
