**What is the LCM and GCF of 18 and 24?**

The

For example, the greatest common factor of 2 and 4 would be 2.

There are several different names for the GCF ( greatest common factor)

GCD Greatest Common Denominator

HCF Highest Common Factor

GCD Greatest Common Divisor

The lcm or least common multiple is the smallest positive integer that two or more numbers will divide into evenly. Again, a zero remainder.

Other names for the LCM

LCD Least Common Denominator

LCD Least Common Divisor

I like to use a factor tree to find the LCM and the GCF

Once you find all of the prime factors of a number, to find the GCF you multiply all of the factors, but multiply duplicates in each number only once.

In order to calculate the LCM you look for factors in each number and multiply these common positive integers together.

In summary,

The Greatest Common Factor, Greatest Common Denominator,

The Least Common Multiple, Least Common Denominator,

MooMooMath and Science upload a new math or science video every day. We have over 1400 math and science videos to help in school and life.

**GCF or greatest common factor**is the largest positive integer that will divide into each number evenly.For example, the greatest common factor of 2 and 4 would be 2.

There are several different names for the GCF ( greatest common factor)

GCD Greatest Common Denominator

HCF Highest Common Factor

GCD Greatest Common Divisor

**The GCF for 18 and 24 equals 6**The lcm or least common multiple is the smallest positive integer that two or more numbers will divide into evenly. Again, a zero remainder.

Other names for the LCM

LCD Least Common Denominator

LCD Least Common Divisor

**The LCM of 18 and 24 equals 72**I like to use a factor tree to find the LCM and the GCF

Once you find all of the prime factors of a number, to find the GCF you multiply all of the factors, but multiply duplicates in each number only once.

In order to calculate the LCM you look for factors in each number and multiply these common positive integers together.

In summary,

The Greatest Common Factor, Greatest Common Denominator,

**Highest Common Factor of**

18 and 24 = 618 and 24 = 6

The Least Common Multiple, Least Common Denominator,

**Least Common Divisor of**

18 and 24 = 7218 and 24 = 72

MooMooMath and Science upload a new math or science video every day. We have over 1400 math and science videos to help in school and life.

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