What is the Least Common Multiple of 85221 and 85230?

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 85221 and 85230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85221 and 85230, than apply into the LCM equation.

GCF(85221,85230) = 9
LCM(85221,85230) = ( 85221 × 85230) / 9
LCM(85221,85230) = 7263385830 / 9
LCM(85221,85230) = 807042870

Least Common Multiple (LCM) of 85221 and 85230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85221 and 85230. First we will calculate the prime factors of 85221 and 85230.

Prime Factorization of 85221

Prime Factorization of 85230

Now multiplying the highest exponent prime factors to calculate the LCM of 85221 and 85230.

LCM(85221,85230) = 3² × 17¹ × 557¹ × 2¹ × 5¹ × 947¹
LCM(85221,85230) = 807042870