How do you find the LCM of X 1 and X?

Algebra Examples The LCM of x,x−1 x , x – 1 is x(x−1) x ( x – 1 ) .

How do you find the LCM in Algebra 2?

Least Common Multiple (LCM)

1. Write the factors for each expression in prime factorization and count how often each factor occurs.
2. Identify each factor’s most frequent occurrence.
3. Highlight all most frequently occurring factors, and then find the product of the highlighted factors. The product is the LCM.

What is the sum of the different positive prime factors of 550?

1116
Factors of 550 are integers that can be divided evenly into 550. There are overall 12 factors of 550, of which 2, 5, 11 are its prime factors. The sum of all factors of 550 is 1116.

How do you make the LCM of an expression?

We now make the LCM by multiplying all factors included in the factoring of the given algebraic expressions. Common factors are used once only and the one with the highest power is used. x – 1 is a factor to both expression and will therefore be used once. x + 1 is a factor in the first expression and will therefore be used.

What is the difference between LCM and a common multiple?

A common multiple is a number which is a multiple of two or more numbers. LCM denotes the least common factor or multiple of any two or more given integers. For example, L.C.M of 16 and 20 will be 2 x 2 x 2 x 2 x 5 = 80, where 80 is the smallest common multiple for numbers 16 and 20.

How do you find the LCM of a fraction?

The formula to find the LCM of fractions is given by: L.C.M. = L.C.M Of Numerator/H.C.F Of Denominator Different Methods of LCM There are three important methods by which we can find the LCM of two or more numbers.

What is the difference between LCM and HCF?

The LCM is used to find the least possible common multiples of two or more numbers whereas HCF is a method to find the highest possible common factor among the numbers. But both can be related by the formulas: LCM (a,b) = a × b / GCF (a,b) GCF (a,b) = a × b / LCM (a,b)