What is the Least Common Multiple of 66890 and 66908?

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 66890 and 66908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66890 and 66908, than apply into the LCM equation.

GCF(66890,66908) = 2
LCM(66890,66908) = ( 66890 × 66908) / 2
LCM(66890,66908) = 4475476120 / 2
LCM(66890,66908) = 2237738060

Least Common Multiple (LCM) of 66890 and 66908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66890 and 66908. First we will calculate the prime factors of 66890 and 66908.

Prime Factorization of 66890

Prime Factorization of 66908

Now multiplying the highest exponent prime factors to calculate the LCM of 66890 and 66908.

LCM(66890,66908) = 2² × 5¹ × 6689¹ × 43¹ × 389¹
LCM(66890,66908) = 2237738060