What is the Least Common Multiple of 66305 and 66320?

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 66305 and 66320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66305 and 66320, than apply into the LCM equation.

GCF(66305,66320) = 5
LCM(66305,66320) = ( 66305 × 66320) / 5
LCM(66305,66320) = 4397347600 / 5
LCM(66305,66320) = 879469520

Least Common Multiple (LCM) of 66305 and 66320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66305 and 66320. First we will calculate the prime factors of 66305 and 66320.

Prime Factorization of 66305

Prime Factorization of 66320

Now multiplying the highest exponent prime factors to calculate the LCM of 66305 and 66320.

LCM(66305,66320) = 5¹ × 89¹ × 149¹ × 2⁴ × 829¹
LCM(66305,66320) = 879469520