What is the Least Common Multiple of 87203 and 87221?

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 87203 and 87221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87203 and 87221, than apply into the LCM equation.

GCF(87203,87221) = 1
LCM(87203,87221) = ( 87203 × 87221) / 1
LCM(87203,87221) = 7605932863 / 1
LCM(87203,87221) = 7605932863

Least Common Multiple (LCM) of 87203 and 87221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87203 and 87221. First we will calculate the prime factors of 87203 and 87221.

Prime Factorization of 87203

Prime Factorization of 87221

Now multiplying the highest exponent prime factors to calculate the LCM of 87203 and 87221.

LCM(87203,87221) = 29¹ × 31¹ × 97¹ × 87221¹
LCM(87203,87221) = 7605932863