What is the Least Common Multiple of 64680 and 64695?

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 64680 and 64695 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64680 and 64695, than apply into the LCM equation.

GCF(64680,64695) = 15
LCM(64680,64695) = ( 64680 × 64695) / 15
LCM(64680,64695) = 4184472600 / 15
LCM(64680,64695) = 278964840

Least Common Multiple (LCM) of 64680 and 64695 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64680 and 64695. First we will calculate the prime factors of 64680 and 64695.

Prime Factorization of 64680

Prime Factorization of 64695

Now multiplying the highest exponent prime factors to calculate the LCM of 64680 and 64695.

LCM(64680,64695) = 2³ × 3¹ × 5¹ × 7² × 11¹ × 19¹ × 227¹
LCM(64680,64695) = 278964840