What is the Least Common Multiple of 66190 and 66210?

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 66190 and 66210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66190 and 66210, than apply into the LCM equation.

GCF(66190,66210) = 10
LCM(66190,66210) = ( 66190 × 66210) / 10
LCM(66190,66210) = 4382439900 / 10
LCM(66190,66210) = 438243990

Least Common Multiple (LCM) of 66190 and 66210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66190 and 66210. First we will calculate the prime factors of 66190 and 66210.

Prime Factorization of 66190

Prime Factorization of 66210

Now multiplying the highest exponent prime factors to calculate the LCM of 66190 and 66210.

LCM(66190,66210) = 2¹ × 5¹ × 6619¹ × 3¹ × 2207¹
LCM(66190,66210) = 438243990