What is the Least Common Multiple of 55138 and 55142?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 55138 and 55142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55138 and 55142, than apply into the LCM equation.

GCF(55138,55142) = 2
LCM(55138,55142) = ( 55138 × 55142) / 2
LCM(55138,55142) = 3040419596 / 2
LCM(55138,55142) = 1520209798

Least Common Multiple (LCM) of 55138 and 55142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55138 and 55142. First we will calculate the prime factors of 55138 and 55142.

Prime Factorization of 55138

Prime Factorization of 55142

Now multiplying the highest exponent prime factors to calculate the LCM of 55138 and 55142.

LCM(55138,55142) = 2¹ × 19¹ × 1451¹ × 79¹ × 349¹
LCM(55138,55142) = 1520209798