What is the Least Common Multiple of 83660 and 83664?

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 83660 and 83664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83660 and 83664, than apply into the LCM equation.

GCF(83660,83664) = 4
LCM(83660,83664) = ( 83660 × 83664) / 4
LCM(83660,83664) = 6999330240 / 4
LCM(83660,83664) = 1749832560

Least Common Multiple (LCM) of 83660 and 83664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83660 and 83664. First we will calculate the prime factors of 83660 and 83664.

Prime Factorization of 83660

Prime Factorization of 83664

Now multiplying the highest exponent prime factors to calculate the LCM of 83660 and 83664.

LCM(83660,83664) = 2⁴ × 5¹ × 47¹ × 89¹ × 3² × 7¹ × 83¹
LCM(83660,83664) = 1749832560