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What dose prime factor mean?
it means to find out if the number is composite or prime
Where can you find a prime numbers chart?
Type the words "prime numbers chart" into the search engine on your computer.
Do you do a factor rainbow for greatest common factor?
You do a factor rainbow to find a prime factorization. You compare prime factorizations to find a greatest common factor.
How do you check if a number is prime or a composite number?
A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime or composite simply find it's factors. If it has more than two factors than it is not a prime number, it is composite.
How do you find the factor string for a number?
Factor strings are multiplication sentences. You can take any factor pair, put a multiplication symbol between them and you have a factor string. The longest factor string for any composite number is the prime factorization. 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. And the longest factor string.
Where can you find a prime factor chart up to 200?
Why do you do factor trees?
to help find prime factorizations of composite numbers
When do you use a factor tree?
When you want to find the prime factorization of a composite number.
What dose prime factor mean?
it means to find out if the number is composite or prime
How do you find out if a number is prime or comparative?
Factor it. If it has only two factors, it's prime. If it has more than two, it's composite.
How do you find out if a number is a prime or composite?
Factor it. Prime numbers have two factors, composite numbers have more than two.
To find a composite number why divide by prime numbers?
You could try dividing by composite numbers but the number that you are testing is divisible by a composite number, then it will be divisible by a prime factor of that composite number and that prime factor will be smaller. It is always easier to work with smaller numbers.
What number is on top of a factor tree?
Whatever composite number you're trying to find the prime factorization of.
How do you find the composite number?
Factor it. Once you find a third factor, it's composite.
What is the greatest common factor of 24 and 47?
GCF of a prime number and a composite number is 1 if the prime number is not a factor of the composite number. Here 103 is a prime number and 120 is a composite number. And 120 is not divisible by 103(or 103 is not a factor of 120). So, GCF(103,120) = 1
How can you determine whether a counting number is a composite number?
Start looking for factors; you already know that 1 is a factor, and that the number itself is a second factor (unless the number is 1). As soon as you find a factor that is neither 1 nor the number itself, the number is composite. If you find exactly two factors, the number is prime. If the number has only one factor, the number is 1, which is neither prime nor composite.
How can you determine if a number is prime or composite?
Factor it. Prime numbers have two factors, composite numbers have more than two.
