What is the Least Common Multiple of 86656 and 86668?

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 86668 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 86668, than apply into the LCM equation.

GCF(86656,86668) = 4
LCM(86656,86668) = ( 86656 × 86668) / 4
LCM(86656,86668) = 7510302208 / 4
LCM(86656,86668) = 1877575552

Least Common Multiple (LCM) of 86656 and 86668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86656 and 86668. First we will calculate the prime factors of 86656 and 86668.

Prime Factorization of 86656

Prime Factorization of 86668

Now multiplying the highest exponent prime factors to calculate the LCM of 86656 and 86668.

LCM(86656,86668) = 2⁷ × 677¹ × 47¹ × 461¹
LCM(86656,86668) = 1877575552