What is the Least Common Multiple of 70221 and 70230?

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 70221 and 70230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70221 and 70230, than apply into the LCM equation.

GCF(70221,70230) = 3
LCM(70221,70230) = ( 70221 × 70230) / 3
LCM(70221,70230) = 4931620830 / 3
LCM(70221,70230) = 1643873610

Least Common Multiple (LCM) of 70221 and 70230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70221 and 70230. First we will calculate the prime factors of 70221 and 70230.

Prime Factorization of 70221

Prime Factorization of 70230

Now multiplying the highest exponent prime factors to calculate the LCM of 70221 and 70230.

LCM(70221,70230) = 3¹ × 89¹ × 263¹ × 2¹ × 5¹ × 2341¹
LCM(70221,70230) = 1643873610