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If both of your numbers divide into them evenly with no remainder, they are common multiples.

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Q: How do you know that the numbers you find are common multiples?
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What are the Common multiples of the numbers 45 and 8?

common multiples of 45 are 9 and 5 and common multiples of 8 are 4 and 8. This person doesn't know what common multiple is. (up) New author: You have to find if it is the LCM or the MCM, Least common multiple is 360 New author: MCM can't exist, it is no point finding it. Every MCM of multiple numbers are always infinity


What are 2 pairs of least common multiples of 105?

You need at least two numbers to find an LCM and there can only be one least common. If you want to know multiples of 105, just keep adding 105. 105, 210, 315 and so on.


How do we know the common multiple between 16 and 21?

Since the only factor those two numbers have in common is 1, the LCM will be their product. Any other common multiples will be multiples of their product.


If two numbers are both prime what is the least common multiple of the numbers?

The least common multiple is the product of the numbers. _____________________________________________________________________ by going threw all their multiples till u find ones that match even though it will take forever this is the only way i know of. sorry :)


What is the greatest common multiple of 630 and 1080?

The greatest common multiple of any set of integers is infinite.


How do you know which common multiples is the least common?

It's the smallest one.


How do you know whether to use common multiples or common multiples to solve a problem?

That seems like a fairly easy choice...


What we know about prime and common factors help us to find the of two or more numbers.?

The answer depends on what it is of two or more numbers that you wish to find.


How do you know which of the common multiples is the least common multiple?

It's the smallest one.


What is the special name for the multiples of two?

even numbers


How do you know when to stop listing all the common multiples of a number?

Unless a specific number is called for, three common multiples are enough to establish a pattern. For example, the common multiples of 4 and 6 are 12, 24, 36 and so on.


What we know about prime and common factors help us find the of two or more numbers?

greatest common factor, or GCF