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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.

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Q: Why does any number with a factor of 9 also have 3?
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Related questions

Does any number that has 3 as a factor also have 9 as a factor?

No. 6 has 3 as a factor. 12 has 3 as a factor.


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

is because....


What is the relationship between a factor and a multiple?

A factor of any number is a multiple of that number as for example 3 is a factor of 24 and it is also a multiple of 3 because 3*8 = 24


Do numbers with 6 as a factor also have 3 as a factor?

Oh, what a lovely question! When a number has 6 as a factor, it means it can be divided evenly by 6. If a number can be divided by 6, it must also be divisible by 3 because 6 is made up of 3 multiplied by 2. So, yes, numbers with 6 as a factor will also have 3 as a factor. Just like adding happy little trees to a painting, numbers and their factors work together in harmony.


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 every number that is divisible by 6 divisible by 3?

Yes, it's true. 3 is one of the factors of 6, so any number that has six as a factor also has 3 as a factor.


What is a factor of the sum of the digits equals 3 or a multiple of 3?

Oh, dude, a factor of the sum of the digits being 3 or a multiple of 3 just means that if you add up all the digits in a number and it equals 3, or if that sum is a multiple of 3, then that number has a factor that fits the bill. So, like, if you have a number where the digits add up to 3, or 6, or 9, or any multiple of 3, you've got yourself a match! It's like finding a snack in your pantry that fits your cravings perfectly – it just works out, man.


What numbers are 3 a factor of?

Any number that is a multiple of 3 has 3 as a factor.


Do any number that has 3 as a factor also has 9?

Any integer multiple of 9. For example 18, or 99.


Is 3 a factor of 37?

No, 3 is not a factor of 37. Also, 37 is a prime number.


What 3 numbers have a factor of 3?

There are an infinite number of numbers with 3 as a factor. Any number evenly divisible by 3 has 3 as a factor. That means 6, 9, 12, 15, 18, ..., all have 3 as a factor.


What 2 digit numbers are divisible by 3 but not by 6?

Well, isn't that just a happy little math problem! Let's see here... numbers that are divisible by 3 but not by 6 would be 12, 15, 18, 21, 24, 27, 33, 39, 42, 45, 48, 51, 57, 63, 69, 72, 75, 78, 81, and 87. Remember, math is just like painting - it's all about finding the right colors and shapes that fit together beautifully!