What is the Least Common Multiple of 87203 and 87220?

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 87220 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 87220, than apply into the LCM equation.

GCF(87203,87220) = 1
LCM(87203,87220) = ( 87203 × 87220) / 1
LCM(87203,87220) = 7605845660 / 1
LCM(87203,87220) = 7605845660

Least Common Multiple (LCM) of 87203 and 87220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87203 and 87220. First we will calculate the prime factors of 87203 and 87220.

Prime Factorization of 87203

Prime Factorization of 87220

Now multiplying the highest exponent prime factors to calculate the LCM of 87203 and 87220.

LCM(87203,87220) = 29¹ × 31¹ × 97¹ × 2² × 5¹ × 7² × 89¹
LCM(87203,87220) = 7605845660