What is the Least Common Multiple of 54400 and 54409?

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 54400 and 54409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54400 and 54409, than apply into the LCM equation.

GCF(54400,54409) = 1
LCM(54400,54409) = ( 54400 × 54409) / 1
LCM(54400,54409) = 2959849600 / 1
LCM(54400,54409) = 2959849600

Least Common Multiple (LCM) of 54400 and 54409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54400 and 54409. First we will calculate the prime factors of 54400 and 54409.

Prime Factorization of 54400

Prime Factorization of 54409

Now multiplying the highest exponent prime factors to calculate the LCM of 54400 and 54409.

LCM(54400,54409) = 2⁷ × 5² × 17¹ × 54409¹
LCM(54400,54409) = 2959849600