What is the Least Common Multiple of 82508 and 82520?

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 82508 and 82520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82508 and 82520, than apply into the LCM equation.

GCF(82508,82520) = 4
LCM(82508,82520) = ( 82508 × 82520) / 4
LCM(82508,82520) = 6808560160 / 4
LCM(82508,82520) = 1702140040

Least Common Multiple (LCM) of 82508 and 82520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82508 and 82520. First we will calculate the prime factors of 82508 and 82520.

Prime Factorization of 82508

Prime Factorization of 82520

Now multiplying the highest exponent prime factors to calculate the LCM of 82508 and 82520.

LCM(82508,82520) = 2³ × 20627¹ × 5¹ × 2063¹
LCM(82508,82520) = 1702140040