What is the Least Common Multiple of 72196 and 72208?

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 72196 and 72208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72196 and 72208, than apply into the LCM equation.

GCF(72196,72208) = 4
LCM(72196,72208) = ( 72196 × 72208) / 4
LCM(72196,72208) = 5213128768 / 4
LCM(72196,72208) = 1303282192

Least Common Multiple (LCM) of 72196 and 72208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72196 and 72208. First we will calculate the prime factors of 72196 and 72208.

Prime Factorization of 72196

Prime Factorization of 72208

Now multiplying the highest exponent prime factors to calculate the LCM of 72196 and 72208.

LCM(72196,72208) = 2⁴ × 18049¹ × 4513¹
LCM(72196,72208) = 1303282192