Q: What is the LCM of 18 and 20 using the result also find gcf?

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how to find the lcm using while loop

Two or more numbers are needed to find the LCM

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.

Divide the product of the original numbers by 108, the LCM. The result will be the GCF.

The LCM of these numbers is 75. LCM is Least common multiple.

Two or more numbers are needed to find their LCM

Two or more numbers are needed to find their LCM

The LCM of the given three numbers using prime factorization is 25200

Multiply the original two numbers. Divide that product by their GCF. The result is their LCM.

Two or more numbers are normally needed to find the LCM

At least two or more numbers are needed to find their LCM

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

You need at least two numbers to find an LCM no matter what you use.

speed you can just use your brain to find the LCM faster, sometimes.

If you use methods based on prime factors, it is the same whether you have 2, 3, or more numbers: find all the factors that occur in any of your numbers. If you use a method based on Euclid's Algorithm (that is, lcm(a, b) = a x b / gcf(a, b), where you find the gcf with Euclid's Algorithm), then you can find the lcm for two numbers at a time. For example, to get the lcm of four numbers, find the lcm of the first two, then the lcm of the result and the third number, than the lcm of the result and the fourth number.

GCF and LCM are similar because you need to find the prime factorizations of the two numbers in both cases to get the result.

It doesn't matter which method you use. You still need at least two numbers to find an LCM. There is no LCM of 20.

It is: 72

You need at least two numbers to find an LCM no matter what method you choose.

You need at least two numbers to find an LCM no matter what method you choose.

You need at least two numbers to find an LCM no matter what method you choose.

The following function will return the GCD or LCM of two arguments (x and y) depending on the value of the fct argument (GCD or LCM). enum FUNC {GCD, LCM}; int gcd_or_lcm(FUNC fct, int x, int y) { int result = 0; switch (fct) { case (GCD): result = gcd (x, y); break; case (LCM): result = lcm (x, y); break; } return result; }

1 can only be an LCM (least common multiple) if the numbers you're trying to find an LCM for are 1 and 1. LCM cannot be smaller than the largest of the numbers you're using.

No matter what method you use, you need at least two numbers to find an LCM.

The LCM is 108900. For very large numbers such as 2475, I suggest using one of the on-line computer programs to find the LCM. You can also do it with many calculators.It is possible to use prime factorization, but this is not easy when numbers get very large.Listing the multiples is also not too practical with these numbers.

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