What is the Least Common Multiple of 99215 and 99221?

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 99215 and 99221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99215 and 99221, than apply into the LCM equation.

GCF(99215,99221) = 1
LCM(99215,99221) = ( 99215 × 99221) / 1
LCM(99215,99221) = 9844211515 / 1
LCM(99215,99221) = 9844211515

Least Common Multiple (LCM) of 99215 and 99221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99215 and 99221. First we will calculate the prime factors of 99215 and 99221.

Prime Factorization of 99215

Prime Factorization of 99221

Now multiplying the highest exponent prime factors to calculate the LCM of 99215 and 99221.

LCM(99215,99221) = 5¹ × 19843¹ × 313¹ × 317¹
LCM(99215,99221) = 9844211515