What is the Least Common Multiple of 75221 and 75240?

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 75221 and 75240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75221 and 75240, than apply into the LCM equation.

GCF(75221,75240) = 19
LCM(75221,75240) = ( 75221 × 75240) / 19
LCM(75221,75240) = 5659628040 / 19
LCM(75221,75240) = 297875160

Least Common Multiple (LCM) of 75221 and 75240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75221 and 75240. First we will calculate the prime factors of 75221 and 75240.

Prime Factorization of 75221

Prime Factorization of 75240

Now multiplying the highest exponent prime factors to calculate the LCM of 75221 and 75240.

LCM(75221,75240) = 19¹ × 37¹ × 107¹ × 2³ × 3² × 5¹ × 11¹
LCM(75221,75240) = 297875160