What is the Least Common Multiple of 75439 and 75453?

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 75439 and 75453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75439 and 75453, than apply into the LCM equation.

GCF(75439,75453) = 7
LCM(75439,75453) = ( 75439 × 75453) / 7
LCM(75439,75453) = 5692098867 / 7
LCM(75439,75453) = 813156981

Least Common Multiple (LCM) of 75439 and 75453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75439 and 75453. First we will calculate the prime factors of 75439 and 75453.

Prime Factorization of 75439

Prime Factorization of 75453

Now multiplying the highest exponent prime factors to calculate the LCM of 75439 and 75453.

LCM(75439,75453) = 7¹ × 13¹ × 829¹ × 3¹ × 3593¹
LCM(75439,75453) = 813156981