What is the Least Common Multiple of 66856 and 66874?

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 66856 and 66874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66856 and 66874, than apply into the LCM equation.

GCF(66856,66874) = 2
LCM(66856,66874) = ( 66856 × 66874) / 2
LCM(66856,66874) = 4470928144 / 2
LCM(66856,66874) = 2235464072

Least Common Multiple (LCM) of 66856 and 66874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66856 and 66874. First we will calculate the prime factors of 66856 and 66874.

Prime Factorization of 66856

Prime Factorization of 66874

Now multiplying the highest exponent prime factors to calculate the LCM of 66856 and 66874.

LCM(66856,66874) = 2³ × 61¹ × 137¹ × 29¹ × 1153¹
LCM(66856,66874) = 2235464072