What is the Least Common Multiple of 66861 and 66875?

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 66861 and 66875 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66861 and 66875, than apply into the LCM equation.

GCF(66861,66875) = 1
LCM(66861,66875) = ( 66861 × 66875) / 1
LCM(66861,66875) = 4471329375 / 1
LCM(66861,66875) = 4471329375

Least Common Multiple (LCM) of 66861 and 66875 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66861 and 66875. First we will calculate the prime factors of 66861 and 66875.

Prime Factorization of 66861

Prime Factorization of 66875

Now multiplying the highest exponent prime factors to calculate the LCM of 66861 and 66875.

LCM(66861,66875) = 3² × 17¹ × 19¹ × 23¹ × 5⁴ × 107¹
LCM(66861,66875) = 4471329375