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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.
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What strategy do you use to find factors?
Assuming you want all factors of a number: 1) Split a number into prime factors. 2) Combine the prime factors in all possible ways. To get the prime factors, you can systematically try out dividing the number by prime numbers, up to the number's square root (once the square of the prime number you try out is greater than the original number, you need not continue). For example, to find out prime factors of numbers up to 120, you only need to try dividing by 2, 3, 5, 7.
Why are prime numbers on the bottom of a factor tree?
Factor trees are ways of notating the process of finding the prime factorization of a given composite number and, as such, should result in an identifiable string of prime factors.
What are factor pairs of 6375?
(6375,1)(2125,3)(1275,5)(425,15)(375,17)(255,25)(125,51)(85,75)
How many different ways can you write as a product of two whole numbrs?
I suspect that something very important is missing from your question. It would go between the words "write" and "as", and it would be a number. The answer to the question would be a positive whole number greater than ' 1 '.
How many ways can you divide 5?
Two ways: 5/5 = 1 and 5/1 = 5 because 5 is a prime number which has only 2 factors which are itself and one
