What is the Least Common Multiple of 57120 and 57124?

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 57120 and 57124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57120 and 57124, than apply into the LCM equation.

GCF(57120,57124) = 4
LCM(57120,57124) = ( 57120 × 57124) / 4
LCM(57120,57124) = 3262922880 / 4
LCM(57120,57124) = 815730720

Least Common Multiple (LCM) of 57120 and 57124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57120 and 57124. First we will calculate the prime factors of 57120 and 57124.

Prime Factorization of 57120

Prime Factorization of 57124

Now multiplying the highest exponent prime factors to calculate the LCM of 57120 and 57124.

LCM(57120,57124) = 2⁵ × 3¹ × 5¹ × 7¹ × 17¹ × 14281¹
LCM(57120,57124) = 815730720