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All numbers have factors. Some factors are prime numbers. These are known as prime factors. Some numbers have some of the same prime factors as other numbers. These are known as common prime factors. 3 is a common prime factor of 12 and 15.

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10y ago
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11y ago

A factor that's a Prime number.

3 is a prime factor of 12.

4 is a composite factor of 12.

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11y ago

All nonzero numbers have factors. Some factors are prime numbers. 5 is a prime factor of 10.

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11y ago

36

6x6

3x2 3x2

ANSWER: 2 x 2 x 3 x 3 = 36

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6y ago

A prime number has only two factors which are itself and one as in the following examples 2 3 5 7 11 13 17 19 23 and 29

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Q: What is a prime factor and a example for prime factor?
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Related questions

Is there a difference between in prime factors and factors?

Prime factors are factors that are prime. For example, 13 is a prime number and 13 is a factor of 26. So that means 13 is a prime factor.


What are the factor of co prime no?

The number 1 is the only common factor of co-prime numbers, which is what makes them co-prime. 9 and 10 for example or 15 and 23.


What is a positive prime factor of ten?

Five is one example.


What is an example of prime factorization of least common factor?

The least common factor of any set of positive integers is 1, and 1 does not have a prime factorization.


Is a factor a prime number?

A factor can or cannot be a prime number Ex: 2 is the factor of all other even numbers its a prime number but 9 is a factor of 18 and its not a prime number A prime is a factor but a factor being a prime number varies


Is 7 a whole number factor of a composite number?

Yes it's a factor of 28 for example and it's a prime number


How do you make a prime factor tree?

Example: 210 210 105,2 35,3,2 7,5,3,2


Is three a prime factor?

Yes. Any time three is a factor, it is a prime factor.


Is 6 a prime factor of 132?

It is a factor of 132, not a prime factor.


How do you do prime factorization using exponents?

1) Find the prime factors. For example, 12 = 2 x 2 x 3. 2) Replace all repeated prime factors by a single copy of the prime factor, and an exponent that specifies how often the prime factor is repeated. For example, 2 x 2 x 3 = 22 x 3.


What is a common prime factor?

All numbers have factors. Some factors are prime numbers. A prime factor is a factor that is a prime number. A common prime factor is a prime factor that appears on the list of factors of two or more given numbers.


Can a number be relatively prime to itself?

Two number are said to be "relatively prime" if they have no common factors - of course, other than the trivial factor 1. Even a prime number is not "relatively prime" to itself, since the prime number itself is the common factor. For example, the common factor of 7 and 7 is 7. Thus, the only situation I can think of where a number has no common factor with itself is that the number is 1.