What is the Least Common Multiple of 55398 and 55406?

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 55398 and 55406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55398 and 55406, than apply into the LCM equation.

GCF(55398,55406) = 2
LCM(55398,55406) = ( 55398 × 55406) / 2
LCM(55398,55406) = 3069381588 / 2
LCM(55398,55406) = 1534690794

Least Common Multiple (LCM) of 55398 and 55406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55398 and 55406. First we will calculate the prime factors of 55398 and 55406.

Prime Factorization of 55398

Prime Factorization of 55406

Now multiplying the highest exponent prime factors to calculate the LCM of 55398 and 55406.

LCM(55398,55406) = 2¹ × 3¹ × 7¹ × 1319¹ × 13¹ × 2131¹
LCM(55398,55406) = 1534690794