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Q: Are there any pairs of prime numbers that when multiplied do not make their least common multiple?

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When two numbers are relatively prime, then one number has to be multiplied by another to get their least common multiple.

They aren't multiplied, but 18 and 36 have an LCM of 36.

The least common multiple of two numbers is the product of those two numbers divided by their greatest common factor. It the two numbers are coprime (or relatively prime), their greatest common factor is 1. Therefore, their least common multiple is a x b ÷ GCF (of a and b) = a x b ÷ 1 = a x b. The least common multiple of two coprime numbers is the numbers multiplied together.

Multiplying two numbers together will create a common multiple. It is sometimes, but not always, the LCM as well.

The definition of least common multiple is the lowest number that is the product of all of the numbers in a set when multiplied by an integer. In this case, the least common multiple is 28; this is because 7*4= 28, 4*7=28, and 14*2=28. There is not a lower number into which these three numbers can all be evenly multiplied into.

All numbers with a least common multiple, have that multiple as a factor.

The least common multiple is one of the numbers when one of the numbers is a multiple of the other.

The least common multiple of the numbers 2,357 and 11 is 25,927.The least common multiple of the numbers 23, 57 and 11 is 14,421.

You need at least to numbers to find a least common multiple.

To find the least common multiple, you have to have at least 2 numbers.

to find the least common multiple of two numbers you must list the factors then you can find out their least common multiple of the two numbers

The least common multiple of the numbers 8 and 6 is 24.

The least common multiple of the numbers 5 and 10 is 10.

The LCM (least common multiple) is 21. So the LCM in this case is the same as the two numbers multiplied.

You need two numbers for a least common multiple.

I multiplied them together.

The least common multiple of the numbers 612 and 15 is 3,060.The least common multiple of the numbers 6, 12 and 15 is 60.

The least common multiple of the numbers 910 and 11 is 10,010. The least common multiple of the numbers 9, 10 and 11 is 990.

The least common multiple of the numbers 2,460 and 72 is 14,760.The least common multiple of the numbers 24, 60 and 72 is 360.

The least common multiple of the numbers 2,842 and 56 is 11,368.The least common multiple of the numbers 28, 42 and 56 is 168.

That's known as the least common multiple, or LCM.

There is not a least common multiple of a single number, such as 6x15y, because there cannot be a least common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common.

There is not a least common multiple of a single number, such as 1757, because there cannot be a least common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common.

There is not a least common multiple of a single number, such as 1824, because there cannot be a least common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common.

There is not a least common multiple of a single number, such as 27, because there cannot be a least common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common.