What is the Least Common Multiple of 51280 and 51286?

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 51280 and 51286 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51280 and 51286, than apply into the LCM equation.

GCF(51280,51286) = 2
LCM(51280,51286) = ( 51280 × 51286) / 2
LCM(51280,51286) = 2629946080 / 2
LCM(51280,51286) = 1314973040

Least Common Multiple (LCM) of 51280 and 51286 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51280 and 51286. First we will calculate the prime factors of 51280 and 51286.

Prime Factorization of 51280

Prime Factorization of 51286

Now multiplying the highest exponent prime factors to calculate the LCM of 51280 and 51286.

LCM(51280,51286) = 2⁴ × 5¹ × 641¹ × 25643¹
LCM(51280,51286) = 1314973040