What is the Least Common Multiple of 68368 and 68378?

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 68368 and 68378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68368 and 68378, than apply into the LCM equation.

GCF(68368,68378) = 2
LCM(68368,68378) = ( 68368 × 68378) / 2
LCM(68368,68378) = 4674867104 / 2
LCM(68368,68378) = 2337433552

Least Common Multiple (LCM) of 68368 and 68378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68368 and 68378. First we will calculate the prime factors of 68368 and 68378.

Prime Factorization of 68368

Prime Factorization of 68378

Now multiplying the highest exponent prime factors to calculate the LCM of 68368 and 68378.

LCM(68368,68378) = 2⁴ × 4273¹ × 179¹ × 191¹
LCM(68368,68378) = 2337433552