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# How do you find GCF and LCM?

Updated: 4/28/2022 Wiki User

13y ago

To find the GCF and the LCM you have to first at least try to use prime factorization. So use factor trees. Or for the LCM find th least common multiples of the number. Wiki User

13y ago   Earn +20 pts
Q: How do you find GCF and LCM?
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Still have questions?  Related questions

### Find the gcf and LCM of 4AcubeBsquare12AsquareB?

The GCF is 4a2b The LCM is 12a3b2

### What is the LCM and GCF of 55?

You need at least two numbers to find either an LCM or a GCF.

### What is the least LCM and GCF of 378?

You need at least two numbers to find either a GCF or an LCM.

### What is the GCF and the LCM of 1570?

To find the GCF and LCM at least two or more numbers must be given

### What is the LCM and GCF of 486472?

To find the LCM and GCF of numbers at least two or more numbers are neeeded.

### Find the LCM and the GCF of the set of ages of 15 55 75?

The LCM is: 825The GCF is: 5

### How do you find GCF knowing 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.

### 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.

### How do you find the LCM and GCF of two no in c?

#include&lt;stdio.h&gt; main() { int a,b,i,lcm,gcf; printf("\n Enter two numbers"); scanf("%d%d",&amp;a,&amp;b); for(i=0;i&lt;=a;i++) { if((b%i==0)&amp;&amp;(a%i==0)) { gcf=i; } } lcm=a*b/gcf; printf("\n GCF is %d and LCM is %d",gcf,lcm); }

### What is a number that has 360 as a GCF and 12 as a LCM?

You need at least two numbers to find a GCF or an LCM and the LCM of those numbers can never be less than the GCF. 12 and 360 have a GCF of 12 and an LCM of 360. So do 60 and 72.

### Find the GCD and LCM for 351 and 273?

The GCF is 39 The LCM is 2457.

### How do you find the other number when the one number is given with the LCM and the GCF?

The product of the original numbers is equal to the product of the GCF and LCM. Divide the product of the LCM and GCF by the one number. The answer will be the other.