What is the Least Common Multiple of 84209 and 84222?

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 84209 and 84222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84209 and 84222, than apply into the LCM equation.

GCF(84209,84222) = 1
LCM(84209,84222) = ( 84209 × 84222) / 1
LCM(84209,84222) = 7092250398 / 1
LCM(84209,84222) = 7092250398

Least Common Multiple (LCM) of 84209 and 84222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84209 and 84222. First we will calculate the prime factors of 84209 and 84222.

Prime Factorization of 84209

Prime Factorization of 84222

Now multiplying the highest exponent prime factors to calculate the LCM of 84209 and 84222.

LCM(84209,84222) = 107¹ × 787¹ × 2¹ × 3² × 4679¹
LCM(84209,84222) = 7092250398