What is the Least Common Multiple of 13120 and 13124?

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 13120 and 13124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13120 and 13124, than apply into the LCM equation.

GCF(13120,13124) = 4
LCM(13120,13124) = ( 13120 × 13124) / 4
LCM(13120,13124) = 172186880 / 4
LCM(13120,13124) = 43046720

Least Common Multiple (LCM) of 13120 and 13124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13120 and 13124. First we will calculate the prime factors of 13120 and 13124.

Prime Factorization of 13120

Prime Factorization of 13124

Now multiplying the highest exponent prime factors to calculate the LCM of 13120 and 13124.

LCM(13120,13124) = 2⁶ × 5¹ × 41¹ × 17¹ × 193¹
LCM(13120,13124) = 43046720