What is the Least Common Multiple of 82040 and 82045?

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 82040 and 82045 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82040 and 82045, than apply into the LCM equation.

GCF(82040,82045) = 5
LCM(82040,82045) = ( 82040 × 82045) / 5
LCM(82040,82045) = 6730971800 / 5
LCM(82040,82045) = 1346194360

Least Common Multiple (LCM) of 82040 and 82045 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82040 and 82045. First we will calculate the prime factors of 82040 and 82045.

Prime Factorization of 82040

Prime Factorization of 82045

Now multiplying the highest exponent prime factors to calculate the LCM of 82040 and 82045.

LCM(82040,82045) = 2³ × 5¹ × 7¹ × 293¹ × 61¹ × 269¹
LCM(82040,82045) = 1346194360