What is the Least Common Multiple of 66821 and 66831?

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 66821 and 66831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66821 and 66831, than apply into the LCM equation.

GCF(66821,66831) = 1
LCM(66821,66831) = ( 66821 × 66831) / 1
LCM(66821,66831) = 4465714251 / 1
LCM(66821,66831) = 4465714251

Least Common Multiple (LCM) of 66821 and 66831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66821 and 66831. First we will calculate the prime factors of 66821 and 66831.

Prime Factorization of 66821

Prime Factorization of 66831

Now multiplying the highest exponent prime factors to calculate the LCM of 66821 and 66831.

LCM(66821,66831) = 66821¹ × 3¹ × 22277¹
LCM(66821,66831) = 4465714251