What is the Least Common Multiple of 4197 and 4209?

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 4197 and 4209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4197 and 4209, than apply into the LCM equation.

GCF(4197,4209) = 3
LCM(4197,4209) = ( 4197 × 4209) / 3
LCM(4197,4209) = 17665173 / 3
LCM(4197,4209) = 5888391

Least Common Multiple (LCM) of 4197 and 4209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4197 and 4209. First we will calculate the prime factors of 4197 and 4209.

Prime Factorization of 4197

Prime Factorization of 4209

Now multiplying the highest exponent prime factors to calculate the LCM of 4197 and 4209.

LCM(4197,4209) = 3¹ × 1399¹ × 23¹ × 61¹
LCM(4197,4209) = 5888391