What is the Least Common Multiple of 66320 and 66330?

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 66320 and 66330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66320 and 66330, than apply into the LCM equation.

GCF(66320,66330) = 10
LCM(66320,66330) = ( 66320 × 66330) / 10
LCM(66320,66330) = 4399005600 / 10
LCM(66320,66330) = 439900560

Least Common Multiple (LCM) of 66320 and 66330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66320 and 66330. First we will calculate the prime factors of 66320 and 66330.

Prime Factorization of 66320

Prime Factorization of 66330

Now multiplying the highest exponent prime factors to calculate the LCM of 66320 and 66330.

LCM(66320,66330) = 2⁴ × 5¹ × 829¹ × 3² × 11¹ × 67¹
LCM(66320,66330) = 439900560