What is the Least Common Multiple of 84213 and 84221?

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 84213 and 84221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84213 and 84221, than apply into the LCM equation.

GCF(84213,84221) = 1
LCM(84213,84221) = ( 84213 × 84221) / 1
LCM(84213,84221) = 7092503073 / 1
LCM(84213,84221) = 7092503073

Least Common Multiple (LCM) of 84213 and 84221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84213 and 84221. First we will calculate the prime factors of 84213 and 84221.

Prime Factorization of 84213

Prime Factorization of 84221

Now multiplying the highest exponent prime factors to calculate the LCM of 84213 and 84221.

LCM(84213,84221) = 3³ × 3119¹ × 84221¹
LCM(84213,84221) = 7092503073