What is the Least Common Multiple of 65390 and 65400?

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 65390 and 65400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65390 and 65400, than apply into the LCM equation.

GCF(65390,65400) = 10
LCM(65390,65400) = ( 65390 × 65400) / 10
LCM(65390,65400) = 4276506000 / 10
LCM(65390,65400) = 427650600

Least Common Multiple (LCM) of 65390 and 65400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65390 and 65400. First we will calculate the prime factors of 65390 and 65400.

Prime Factorization of 65390

Prime Factorization of 65400

Now multiplying the highest exponent prime factors to calculate the LCM of 65390 and 65400.

LCM(65390,65400) = 2³ × 5² × 13¹ × 503¹ × 3¹ × 109¹
LCM(65390,65400) = 427650600