A factor tree shows you the prime factors and can help you find all the factors. The composite factors of 36 will be the ones that aren't prime or 1.
36
18,2
9,2,2
3,3,2,2
2 and 3 are prime factors of 36. Looking at the tree, we see that 9, 18 and 36 are also factors. Dividing 3 into 36 gives you 12. Dividing 9 into 36 gives you 4. Any number that is divisible by 2 and 3 is also divisible by 6. That's all of them. 4, 6, 9, 12, 18, 36
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2 x 2 x 3 x 3 = 36
All of the factors are in there. 2, 3, 4, 6
Divide those into 36. List them in pairs.
(36, 1) (18, 2) (12, 3) (9, 4) (6, 6)
See : "What are all composite factors of 36?" at answers.com It explains composite numbers and gives a website for more help..... I think based on that info that the answer is "4"
Write the composite number you want to factor on a piece of paper. Write one of its factor pairs underneath it. If possible, keep breaking each factor down until all the factors are prime. All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this. Example: 210 210 Divide by two. 105,2 Divide by three. 35,3,2 Divide by five. 7,5,3,2 Stop. All the factors are prime.
All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this. Example: 210 210 Divide by two. 105,2 Divide by three. 35,3,2 Divide by five. 7,5,3,2 Stop. All the factors are prime. 2 x 3 x 5 x 7 = 210 That's the prime factorization of 210.
Divisibility rules help you find the factors of a number. Once you've found the factors for two or more numbers, you can find what they have in common. Take 231 and 321. If you know the divisibility rules, you know that they are both divisible by 3, so 3 is a common factor.
All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this. Example: 210 210 Divide by two. 105,2 Divide by three. 35,3,2 Divide by five. 7,5,3,2 Stop. All the factors are prime. 2 x 3 x 5 x 7 = 210 That's the prime factorization of 210.