What is the Least Common Multiple of 66478 and 66484?

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 66478 and 66484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66478 and 66484, than apply into the LCM equation.

GCF(66478,66484) = 2
LCM(66478,66484) = ( 66478 × 66484) / 2
LCM(66478,66484) = 4419723352 / 2
LCM(66478,66484) = 2209861676

Least Common Multiple (LCM) of 66478 and 66484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66478 and 66484. First we will calculate the prime factors of 66478 and 66484.

Prime Factorization of 66478

Prime Factorization of 66484

Now multiplying the highest exponent prime factors to calculate the LCM of 66478 and 66484.

LCM(66478,66484) = 2² × 43¹ × 773¹ × 11¹ × 1511¹
LCM(66478,66484) = 2209861676