What is the Least Common Multiple of 85540 and 85554?

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 85540 and 85554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85540 and 85554, than apply into the LCM equation.

GCF(85540,85554) = 14
LCM(85540,85554) = ( 85540 × 85554) / 14
LCM(85540,85554) = 7318289160 / 14
LCM(85540,85554) = 522734940

Least Common Multiple (LCM) of 85540 and 85554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85540 and 85554. First we will calculate the prime factors of 85540 and 85554.

Prime Factorization of 85540

Prime Factorization of 85554

Now multiplying the highest exponent prime factors to calculate the LCM of 85540 and 85554.

LCM(85540,85554) = 2² × 5¹ × 7² × 13¹ × 47¹ × 3² × 97¹
LCM(85540,85554) = 522734940