What is the Least Common Multiple of 80105 and 80115?

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 80105 and 80115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80105 and 80115, than apply into the LCM equation.

GCF(80105,80115) = 5
LCM(80105,80115) = ( 80105 × 80115) / 5
LCM(80105,80115) = 6417612075 / 5
LCM(80105,80115) = 1283522415

Least Common Multiple (LCM) of 80105 and 80115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80105 and 80115. First we will calculate the prime factors of 80105 and 80115.

Prime Factorization of 80105

Prime Factorization of 80115

Now multiplying the highest exponent prime factors to calculate the LCM of 80105 and 80115.

LCM(80105,80115) = 5¹ × 37¹ × 433¹ × 3¹ × 7² × 109¹
LCM(80105,80115) = 1283522415