What is the Least Common Multiple of 75216 and 75221?

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 75216 and 75221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75216 and 75221, than apply into the LCM equation.

GCF(75216,75221) = 1
LCM(75216,75221) = ( 75216 × 75221) / 1
LCM(75216,75221) = 5657822736 / 1
LCM(75216,75221) = 5657822736

Least Common Multiple (LCM) of 75216 and 75221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75216 and 75221. First we will calculate the prime factors of 75216 and 75221.

Prime Factorization of 75216

Prime Factorization of 75221

Now multiplying the highest exponent prime factors to calculate the LCM of 75216 and 75221.

LCM(75216,75221) = 2⁴ × 3¹ × 1567¹ × 19¹ × 37¹ × 107¹
LCM(75216,75221) = 5657822736