What is the Least Common Multiple of 86228 and 86240?

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 86228 and 86240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86228 and 86240, than apply into the LCM equation.

GCF(86228,86240) = 4
LCM(86228,86240) = ( 86228 × 86240) / 4
LCM(86228,86240) = 7436302720 / 4
LCM(86228,86240) = 1859075680

Least Common Multiple (LCM) of 86228 and 86240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86228 and 86240. First we will calculate the prime factors of 86228 and 86240.

Prime Factorization of 86228

Prime Factorization of 86240

Now multiplying the highest exponent prime factors to calculate the LCM of 86228 and 86240.

LCM(86228,86240) = 2⁵ × 21557¹ × 5¹ × 7² × 11¹
LCM(86228,86240) = 1859075680