What is the Least Common Multiple of 39878 and 39887?

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 39887 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 39887, than apply into the LCM equation.

GCF(39878,39887) = 1
LCM(39878,39887) = ( 39878 × 39887) / 1
LCM(39878,39887) = 1590613786 / 1
LCM(39878,39887) = 1590613786

Least Common Multiple (LCM) of 39878 and 39887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39878 and 39887. First we will calculate the prime factors of 39878 and 39887.

Prime Factorization of 39878

Prime Factorization of 39887

Now multiplying the highest exponent prime factors to calculate the LCM of 39878 and 39887.

LCM(39878,39887) = 2¹ × 127¹ × 157¹ × 39887¹
LCM(39878,39887) = 1590613786