What is the Least Common Multiple of 86538 and 86542?

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 86538 and 86542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86538 and 86542, than apply into the LCM equation.

GCF(86538,86542) = 2
LCM(86538,86542) = ( 86538 × 86542) / 2
LCM(86538,86542) = 7489171596 / 2
LCM(86538,86542) = 3744585798

Least Common Multiple (LCM) of 86538 and 86542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86538 and 86542. First we will calculate the prime factors of 86538 and 86542.

Prime Factorization of 86538

Prime Factorization of 86542

Now multiplying the highest exponent prime factors to calculate the LCM of 86538 and 86542.

LCM(86538,86542) = 2¹ × 3¹ × 14423¹ × 43271¹
LCM(86538,86542) = 3744585798