What is the Least Common Multiple of 51428 and 51445?

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 51428 and 51445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51428 and 51445, than apply into the LCM equation.

GCF(51428,51445) = 1
LCM(51428,51445) = ( 51428 × 51445) / 1
LCM(51428,51445) = 2645713460 / 1
LCM(51428,51445) = 2645713460

Least Common Multiple (LCM) of 51428 and 51445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51428 and 51445. First we will calculate the prime factors of 51428 and 51445.

Prime Factorization of 51428

Prime Factorization of 51445

Now multiplying the highest exponent prime factors to calculate the LCM of 51428 and 51445.

LCM(51428,51445) = 2² × 13¹ × 23¹ × 43¹ × 5¹ × 10289¹
LCM(51428,51445) = 2645713460