What is the Least Common Multiple of 8815 and 8830?

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 8815 and 8830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8815 and 8830, than apply into the LCM equation.

GCF(8815,8830) = 5
LCM(8815,8830) = ( 8815 × 8830) / 5
LCM(8815,8830) = 77836450 / 5
LCM(8815,8830) = 15567290

Least Common Multiple (LCM) of 8815 and 8830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8815 and 8830. First we will calculate the prime factors of 8815 and 8830.

Prime Factorization of 8815

Prime Factorization of 8830

Now multiplying the highest exponent prime factors to calculate the LCM of 8815 and 8830.

LCM(8815,8830) = 5¹ × 41¹ × 43¹ × 2¹ × 883¹
LCM(8815,8830) = 15567290