What is the Least Common Multiple of 51400 and 51405?

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 51400 and 51405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51400 and 51405, than apply into the LCM equation.

GCF(51400,51405) = 5
LCM(51400,51405) = ( 51400 × 51405) / 5
LCM(51400,51405) = 2642217000 / 5
LCM(51400,51405) = 528443400

Least Common Multiple (LCM) of 51400 and 51405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51400 and 51405. First we will calculate the prime factors of 51400 and 51405.

Prime Factorization of 51400

Prime Factorization of 51405

Now multiplying the highest exponent prime factors to calculate the LCM of 51400 and 51405.

LCM(51400,51405) = 2³ × 5² × 257¹ × 3¹ × 23¹ × 149¹
LCM(51400,51405) = 528443400