What is the Least Common Multiple of 68215 and 68222?

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 68215 and 68222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68215 and 68222, than apply into the LCM equation.

GCF(68215,68222) = 7
LCM(68215,68222) = ( 68215 × 68222) / 7
LCM(68215,68222) = 4653763730 / 7
LCM(68215,68222) = 664823390

Least Common Multiple (LCM) of 68215 and 68222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68215 and 68222. First we will calculate the prime factors of 68215 and 68222.

Prime Factorization of 68215

Prime Factorization of 68222

Now multiplying the highest exponent prime factors to calculate the LCM of 68215 and 68222.

LCM(68215,68222) = 5¹ × 7¹ × 1949¹ × 2¹ × 11¹ × 443¹
LCM(68215,68222) = 664823390