What is the Least Common Multiple of 75305 and 75320?

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 75305 and 75320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75305 and 75320, than apply into the LCM equation.

GCF(75305,75320) = 5
LCM(75305,75320) = ( 75305 × 75320) / 5
LCM(75305,75320) = 5671972600 / 5
LCM(75305,75320) = 1134394520

Least Common Multiple (LCM) of 75305 and 75320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75305 and 75320. First we will calculate the prime factors of 75305 and 75320.

Prime Factorization of 75305

Prime Factorization of 75320

Now multiplying the highest exponent prime factors to calculate the LCM of 75305 and 75320.

LCM(75305,75320) = 5¹ × 15061¹ × 2³ × 7¹ × 269¹
LCM(75305,75320) = 1134394520