What is the Least Common Multiple of 19408 and 19412?

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 19408 and 19412 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19408 and 19412, than apply into the LCM equation.

GCF(19408,19412) = 4
LCM(19408,19412) = ( 19408 × 19412) / 4
LCM(19408,19412) = 376748096 / 4
LCM(19408,19412) = 94187024

Least Common Multiple (LCM) of 19408 and 19412 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19408 and 19412. First we will calculate the prime factors of 19408 and 19412.

Prime Factorization of 19408

Prime Factorization of 19412

Now multiplying the highest exponent prime factors to calculate the LCM of 19408 and 19412.

LCM(19408,19412) = 2⁴ × 1213¹ × 23¹ × 211¹
LCM(19408,19412) = 94187024