What is the Least Common Multiple of 51408 and 51425?

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 51408 and 51425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51408 and 51425, than apply into the LCM equation.

GCF(51408,51425) = 17
LCM(51408,51425) = ( 51408 × 51425) / 17
LCM(51408,51425) = 2643656400 / 17
LCM(51408,51425) = 155509200

Least Common Multiple (LCM) of 51408 and 51425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51408 and 51425. First we will calculate the prime factors of 51408 and 51425.

Prime Factorization of 51408

Prime Factorization of 51425

Now multiplying the highest exponent prime factors to calculate the LCM of 51408 and 51425.

LCM(51408,51425) = 2⁴ × 3³ × 7¹ × 17¹ × 5² × 11²
LCM(51408,51425) = 155509200