What is the Least Common Multiple of 38906 and 38918?

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 38906 and 38918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38906 and 38918, than apply into the LCM equation.

GCF(38906,38918) = 2
LCM(38906,38918) = ( 38906 × 38918) / 2
LCM(38906,38918) = 1514143708 / 2
LCM(38906,38918) = 757071854

Least Common Multiple (LCM) of 38906 and 38918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38906 and 38918. First we will calculate the prime factors of 38906 and 38918.

Prime Factorization of 38906

Prime Factorization of 38918

Now multiplying the highest exponent prime factors to calculate the LCM of 38906 and 38918.

LCM(38906,38918) = 2¹ × 7² × 397¹ × 11¹ × 29¹ × 61¹
LCM(38906,38918) = 757071854