What is the Least Common Multiple of 82005 and 82015?

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 82005 and 82015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82005 and 82015, than apply into the LCM equation.

GCF(82005,82015) = 5
LCM(82005,82015) = ( 82005 × 82015) / 5
LCM(82005,82015) = 6725640075 / 5
LCM(82005,82015) = 1345128015

Least Common Multiple (LCM) of 82005 and 82015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82005 and 82015. First we will calculate the prime factors of 82005 and 82015.

Prime Factorization of 82005

Prime Factorization of 82015

Now multiplying the highest exponent prime factors to calculate the LCM of 82005 and 82015.

LCM(82005,82015) = 3¹ × 5¹ × 7¹ × 11¹ × 71¹ × 47¹ × 349¹
LCM(82005,82015) = 1345128015