What is the Least Common Multiple of 67138 and 67158?

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 67138 and 67158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67138 and 67158, than apply into the LCM equation.

GCF(67138,67158) = 2
LCM(67138,67158) = ( 67138 × 67158) / 2
LCM(67138,67158) = 4508853804 / 2
LCM(67138,67158) = 2254426902

Least Common Multiple (LCM) of 67138 and 67158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67138 and 67158. First we will calculate the prime factors of 67138 and 67158.

Prime Factorization of 67138

Prime Factorization of 67158

Now multiplying the highest exponent prime factors to calculate the LCM of 67138 and 67158.

LCM(67138,67158) = 2¹ × 33569¹ × 3² × 7¹ × 13¹ × 41¹
LCM(67138,67158) = 2254426902