What is the Least Common Multiple of 66880 and 66900?

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 66880 and 66900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66880 and 66900, than apply into the LCM equation.

GCF(66880,66900) = 20
LCM(66880,66900) = ( 66880 × 66900) / 20
LCM(66880,66900) = 4474272000 / 20
LCM(66880,66900) = 223713600

Least Common Multiple (LCM) of 66880 and 66900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66880 and 66900. First we will calculate the prime factors of 66880 and 66900.

Prime Factorization of 66880

Prime Factorization of 66900

Now multiplying the highest exponent prime factors to calculate the LCM of 66880 and 66900.

LCM(66880,66900) = 2⁶ × 5² × 11¹ × 19¹ × 3¹ × 223¹
LCM(66880,66900) = 223713600