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When the numbers are co-prime, ie have no common factor.

Simplest example is 2 & 3 whose LCM is 6

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Q: When is the LCM the product of tow numbers?
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Numbers with the LCM of their product?

Numbers that are relatively prime have their LCM as their product.


What is the product of the GCF and LCM of two numbers?

The product of the GCF and LCM of a pair of numbers is equal to the product of the numbers.


The LCM of tow numbers is 48Their sum is 19?

The numbers are 3 and 16.


How do you change GCF into a LCM with 3 numbers?

The product of the GCF and the LCM is the same as the product of the original two numbers. Divide the product of the original numbers by the GCF. The result will be the LCM.


What is the relationship does the greatest common factor and the LCM have?

The product of the GCF and LCM is equal to the product of the original two numbers.


Is The LCM of two different prime numbers their product?

Yes,LCM of two numbers is their product.


How can you determine if the least common multiple of 2 numbers is the product of the 2 numbers or less than the product of the 2 numbers?

If the GCF of a given pair of numbers is 1, the LCM will be equal to their product. If the GCF is greater than 1, the LCM will be less than their product. Or, stated another way, if the two numbers have no common prime factors, their LCM will be their product.


How can yo determine whether the LCM of two numbers is the product of the numbers or less than the product of the numbers?

If their GCF is 1, their LCM is their product. If their GCF is greater than 1, their LCM is less than their product.


How would you explain the LCM of the two numbers is their product?

The LCM of two numbers is their product if and only if the two numbers are co prime, that is their HCF is 1. Otherwise their LCM in not their product, in fact, it is their product divided by their HCF.


What is the LCM of two numbers is t (always sometimesnever) he product of the two numbers?

The LCM of two numbers is sometimes the product of the two numbers.


What is the LCM of two co prime numbers?

Product of the two prime numbers is the LCM. For example 3, 7 have 21 as LCM


How do you find the LCM using GCF?

The GCF of two numbers multiplied by their LCM will equal the product of the original numbers. If you know the GCF, divide it into the product of the two. The result will be the LCM. If the GCF of two numbers is 1, the LCM is their product.