What is the Least Common Multiple of 91215 and 91223?

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 91215 and 91223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91215 and 91223, than apply into the LCM equation.

GCF(91215,91223) = 1
LCM(91215,91223) = ( 91215 × 91223) / 1
LCM(91215,91223) = 8320905945 / 1
LCM(91215,91223) = 8320905945

Least Common Multiple (LCM) of 91215 and 91223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91215 and 91223. First we will calculate the prime factors of 91215 and 91223.

Prime Factorization of 91215

Prime Factorization of 91223

Now multiplying the highest exponent prime factors to calculate the LCM of 91215 and 91223.

LCM(91215,91223) = 3² × 5¹ × 2027¹ × 11¹ × 8293¹
LCM(91215,91223) = 8320905945