What is the Least Common Multiple of 8215 and 8222?

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 8215 and 8222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8215 and 8222, than apply into the LCM equation.

GCF(8215,8222) = 1
LCM(8215,8222) = ( 8215 × 8222) / 1
LCM(8215,8222) = 67543730 / 1
LCM(8215,8222) = 67543730

Least Common Multiple (LCM) of 8215 and 8222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8215 and 8222. First we will calculate the prime factors of 8215 and 8222.

Prime Factorization of 8215

Prime Factorization of 8222

Now multiplying the highest exponent prime factors to calculate the LCM of 8215 and 8222.

LCM(8215,8222) = 5¹ × 31¹ × 53¹ × 2¹ × 4111¹
LCM(8215,8222) = 67543730