What is the Least Common Multiple of 75138 and 75155?

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 75138 and 75155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75138 and 75155, than apply into the LCM equation.

GCF(75138,75155) = 1
LCM(75138,75155) = ( 75138 × 75155) / 1
LCM(75138,75155) = 5646996390 / 1
LCM(75138,75155) = 5646996390

Least Common Multiple (LCM) of 75138 and 75155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75138 and 75155. First we will calculate the prime factors of 75138 and 75155.

Prime Factorization of 75138

Prime Factorization of 75155

Now multiplying the highest exponent prime factors to calculate the LCM of 75138 and 75155.

LCM(75138,75155) = 2¹ × 3¹ × 7¹ × 1789¹ × 5¹ × 15031¹
LCM(75138,75155) = 5646996390