What is the Least Common Multiple of 57115 and 57128?

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 57115 and 57128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57115 and 57128, than apply into the LCM equation.

GCF(57115,57128) = 1
LCM(57115,57128) = ( 57115 × 57128) / 1
LCM(57115,57128) = 3262865720 / 1
LCM(57115,57128) = 3262865720

Least Common Multiple (LCM) of 57115 and 57128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57115 and 57128. First we will calculate the prime factors of 57115 and 57128.

Prime Factorization of 57115

Prime Factorization of 57128

Now multiplying the highest exponent prime factors to calculate the LCM of 57115 and 57128.

LCM(57115,57128) = 5¹ × 11423¹ × 2³ × 37¹ × 193¹
LCM(57115,57128) = 3262865720