What is the Least Common Multiple of 20437 and 20448?

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 20437 and 20448 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20437 and 20448, than apply into the LCM equation.

GCF(20437,20448) = 1
LCM(20437,20448) = ( 20437 × 20448) / 1
LCM(20437,20448) = 417895776 / 1
LCM(20437,20448) = 417895776

Least Common Multiple (LCM) of 20437 and 20448 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20437 and 20448. First we will calculate the prime factors of 20437 and 20448.

Prime Factorization of 20437

Prime Factorization of 20448

Now multiplying the highest exponent prime factors to calculate the LCM of 20437 and 20448.

LCM(20437,20448) = 107¹ × 191¹ × 2⁵ × 3² × 71¹
LCM(20437,20448) = 417895776