What is the Least Common Multiple of 86656 and 86665?

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 86656 and 86665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86656 and 86665, than apply into the LCM equation.

GCF(86656,86665) = 1
LCM(86656,86665) = ( 86656 × 86665) / 1
LCM(86656,86665) = 7510042240 / 1
LCM(86656,86665) = 7510042240

Least Common Multiple (LCM) of 86656 and 86665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86656 and 86665. First we will calculate the prime factors of 86656 and 86665.

Prime Factorization of 86656

Prime Factorization of 86665

Now multiplying the highest exponent prime factors to calculate the LCM of 86656 and 86665.

LCM(86656,86665) = 2⁷ × 677¹ × 5¹ × 17333¹
LCM(86656,86665) = 7510042240