What is the Least Common Multiple of 39788 and 39808?

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 39788 and 39808 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39788 and 39808, than apply into the LCM equation.

GCF(39788,39808) = 4
LCM(39788,39808) = ( 39788 × 39808) / 4
LCM(39788,39808) = 1583880704 / 4
LCM(39788,39808) = 395970176

Least Common Multiple (LCM) of 39788 and 39808 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39788 and 39808. First we will calculate the prime factors of 39788 and 39808.

Prime Factorization of 39788

Prime Factorization of 39808

Now multiplying the highest exponent prime factors to calculate the LCM of 39788 and 39808.

LCM(39788,39808) = 2⁷ × 7³ × 29¹ × 311¹
LCM(39788,39808) = 395970176