What is the Least Common Multiple of 84515 and 84520?

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 84515 and 84520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84515 and 84520, than apply into the LCM equation.

GCF(84515,84520) = 5
LCM(84515,84520) = ( 84515 × 84520) / 5
LCM(84515,84520) = 7143207800 / 5
LCM(84515,84520) = 1428641560

Least Common Multiple (LCM) of 84515 and 84520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84515 and 84520. First we will calculate the prime factors of 84515 and 84520.

Prime Factorization of 84515

Prime Factorization of 84520

Now multiplying the highest exponent prime factors to calculate the LCM of 84515 and 84520.

LCM(84515,84520) = 5¹ × 16903¹ × 2³ × 2113¹
LCM(84515,84520) = 1428641560