What is the Least Common Multiple of 74188 and 74208?

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 74188 and 74208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74188 and 74208, than apply into the LCM equation.

GCF(74188,74208) = 4
LCM(74188,74208) = ( 74188 × 74208) / 4
LCM(74188,74208) = 5505343104 / 4
LCM(74188,74208) = 1376335776

Least Common Multiple (LCM) of 74188 and 74208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74188 and 74208. First we will calculate the prime factors of 74188 and 74208.

Prime Factorization of 74188

Prime Factorization of 74208

Now multiplying the highest exponent prime factors to calculate the LCM of 74188 and 74208.

LCM(74188,74208) = 2⁵ × 17¹ × 1091¹ × 3¹ × 773¹
LCM(74188,74208) = 1376335776