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I think you might mean "multiple." If the sum of a number's digits is a multiple of 9, the original number is as well. If you want to know how you know if a number is a factor of 9, memorize the numbers 1, 3 and 9.

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โˆ™ 2012-03-17 04:06:58
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How do you know if a number is a factor of 9?
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Related questions

What is 9 enlarged by a factor of a number?

9 enlarged by a factor of a number is 9*y


Is 9 a factor number?

It can be. 9 is a factor of 18.


Is 36 a factor of 9?

No, 9 is a factor of 36.


What number is a factor and multiple of 9?

9 is both a factor and multiple of 9, since 1*9 = 9.


What is an example of a factor?

A factor is a number that divides evenly into another number with no remainder. 3 is a factor of 9. 4 is not a factor of 9.


What are the example of factor?

A factor is a number that divides evenly into another number with no remainder. 3 is a factor of 9. 4 is not a factor of 9.


What is the difference a multiple of a number and a factor of a number?

A factor is what goes into a number, a multiple is what a number goes into. 3 is a factor of 9 27 is a multiple of 9.


Can a number have 9 as its factor and not have 3 as its factor?

No.


If you know a factor of a number an you find another factor explain?

Yes. If you know one factor of a number, divide it into the number. The answer will be another factor.


What is an example of factor in math?

A factor is a number that divides evenly into another number with no remainder. 3 is a factor of 9. 4 is not a factor of 9.


What number has its prime factor as 9?

9 is not a prime number.


If one number is a factor of another number will the greatest common factor will be the lesser number. explain?

If one number is a factor of another number, the greatest common factor will be the lesser number. Example: 3 and 9 3 is a factor of 9 3 is a factor of 3 There can be no higher factor of a number than the number itself. Therefore, the GCF of 3 and 9 is 3.


Is 549 factor of 9?

A higher number can not be a factor of a lower number. 549 is not a factor 9 but 9 is a factor of 549. factors of 549 - 1, 3, 9, 61, 183, 549


What number have 9 has a factor?

Multiples of 9


What number has 9 has a factor?

Multiples of 9


Why does any number with a factor of 9 also have 3?

Because 3 is a factor of 9. Any number that has a composite number as a factor will also have that number's factors as factors.


Why is it that any number that has 9 as a factor also has 3 as a factor?

Because 3 is a factor of 9.


Is 9 a common factor of 24 and 32?

No, 9 is not a factor of either number.


Is 3 a factor of square number?

3 is a factor of the square number 9.


What is a mathematical factor?

A number that goes in a number.(e.g 3 is a factor of 9)


How do you do a factor tree for the number 9?

9 3,3


What number is both a factor and multiple of 9?

9 is.


Composite number for 9?

The composite factor of 9 is 9.


What number has the factor of 3?

9


The number 36 is a factor of 9?

The other way around 9 is a factor of 36