What is the Least Common Multiple of 39878 and 39889?

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 39878 and 39889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39878 and 39889, than apply into the LCM equation.

GCF(39878,39889) = 1
LCM(39878,39889) = ( 39878 × 39889) / 1
LCM(39878,39889) = 1590693542 / 1
LCM(39878,39889) = 1590693542

Least Common Multiple (LCM) of 39878 and 39889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39878 and 39889. First we will calculate the prime factors of 39878 and 39889.

Prime Factorization of 39878

Prime Factorization of 39889

Now multiplying the highest exponent prime factors to calculate the LCM of 39878 and 39889.

LCM(39878,39889) = 2¹ × 127¹ × 157¹ × 113¹ × 353¹
LCM(39878,39889) = 1590693542