What is the Least Common Multiple of 90815 and 90821?

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 90815 and 90821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90815 and 90821, than apply into the LCM equation.

GCF(90815,90821) = 1
LCM(90815,90821) = ( 90815 × 90821) / 1
LCM(90815,90821) = 8247909115 / 1
LCM(90815,90821) = 8247909115

Least Common Multiple (LCM) of 90815 and 90821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90815 and 90821. First we will calculate the prime factors of 90815 and 90821.

Prime Factorization of 90815

Prime Factorization of 90821

Now multiplying the highest exponent prime factors to calculate the LCM of 90815 and 90821.

LCM(90815,90821) = 5¹ × 41¹ × 443¹ × 90821¹
LCM(90815,90821) = 8247909115