What is the Least Common Multiple of 64518 and 64530?

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 64518 and 64530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64518 and 64530, than apply into the LCM equation.

GCF(64518,64530) = 6
LCM(64518,64530) = ( 64518 × 64530) / 6
LCM(64518,64530) = 4163346540 / 6
LCM(64518,64530) = 693891090

Least Common Multiple (LCM) of 64518 and 64530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64518 and 64530. First we will calculate the prime factors of 64518 and 64530.

Prime Factorization of 64518

Prime Factorization of 64530

Now multiplying the highest exponent prime factors to calculate the LCM of 64518 and 64530.

LCM(64518,64530) = 2¹ × 3³ × 10753¹ × 5¹ × 239¹
LCM(64518,64530) = 693891090