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# Can LCM be found by composite numbers?

Updated: 8/20/2019

Wiki User

10y ago

Not normally because the LCM of numbers are found by multiplying their highest prime factors

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10y ago

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Q: Can LCM be found by composite numbers?
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### How do you find the LCM of a composite number?

You need at least two numbers to find an LCM. It doesn't matter whether they are prime or composite.

### What conditions is the LCM of two composite numbers simply the product of the two numbers?

When the numbers are relatively prime.

6,364 and 9

### What is the LCM of 13 and 7?

LCM of 7 and 13Since 7 and 13 are both prime numbers, or numbers whose only factors are 1 and itself, the LCM can be found by multiplying 7 and 13 together. The answer will be 91.Though multiplying the numbers together when working with composite numbers MIGHT work, it only works 100% of the time when both numbers are prime. If one or both numbers are composite (have more factors than 1 and itself), multiples should be listed until a common one is found. That number will be the LCM.The LCM of 7 and 13 is 91.

### Under what conditions is the LCM of two composite numbers simply the product of the two numbers?

When the numbers are relatively prime.

### What are two composite numbers where the LCM is 16?

well, look at the factors of 16...we have 2,4,8, and16.So if we had LCM of 8 and 16, that would be 16 an both are composite

They are 4 and 9

### How you can find LCM of the given number?

Firstly, the LCM f a single number is the number itself.The LCM of many numbers is found by dividing the numbers with the smallest prime numbers until the numbers are completely divided and the remainder is zero.Then all the prime numbers used for dividing is multiplied and the LCM is found.

### What is the LCM of 562?

You need at least two numbers to find an LCM.

### Find all the composite numbers between 10 and 40?

I've found all the prime numbers...

### Is the LCM of a prime number and a composite number a multiple of the prime number?

If the GCF of two numbers is 1, their LCM will be their product. Such numbers are called relatively prime, or co-prime. Any two prime numbers (like 3 and 5) will be that way, but the numbers don't have to be prime (like 4 and 9).

### What are three different composite numbers who's GCF is 240 and LCM is 7200?

One possible set of three composite numbers that satisfy the given conditions is 2400, 4800, and 6000. Their greatest common factor is 240, and their least common multiple is 7200. Another possible set of numbers could be 1440, 2880, and 4320, with the same GCF and LCM.