What is the Least Common Multiple of 68200 and 68208?

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 68200 and 68208 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68200 and 68208, than apply into the LCM equation.

GCF(68200,68208) = 8
LCM(68200,68208) = ( 68200 × 68208) / 8
LCM(68200,68208) = 4651785600 / 8
LCM(68200,68208) = 581473200

Least Common Multiple (LCM) of 68200 and 68208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68200 and 68208. First we will calculate the prime factors of 68200 and 68208.

Prime Factorization of 68200

Prime Factorization of 68208

Now multiplying the highest exponent prime factors to calculate the LCM of 68200 and 68208.

LCM(68200,68208) = 2⁴ × 5² × 11¹ × 31¹ × 3¹ × 7² × 29¹
LCM(68200,68208) = 581473200