What is the Least Common Multiple of 80815 and 80830?

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 80815 and 80830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80815 and 80830, than apply into the LCM equation.

GCF(80815,80830) = 5
LCM(80815,80830) = ( 80815 × 80830) / 5
LCM(80815,80830) = 6532276450 / 5
LCM(80815,80830) = 1306455290

Least Common Multiple (LCM) of 80815 and 80830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80815 and 80830. First we will calculate the prime factors of 80815 and 80830.

Prime Factorization of 80815

Prime Factorization of 80830

Now multiplying the highest exponent prime factors to calculate the LCM of 80815 and 80830.

LCM(80815,80830) = 5¹ × 7¹ × 2309¹ × 2¹ × 59¹ × 137¹
LCM(80815,80830) = 1306455290