What is the Least Common Multiple of 54561 and 54570?

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 54561 and 54570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54561 and 54570, than apply into the LCM equation.

GCF(54561,54570) = 3
LCM(54561,54570) = ( 54561 × 54570) / 3
LCM(54561,54570) = 2977393770 / 3
LCM(54561,54570) = 992464590

Least Common Multiple (LCM) of 54561 and 54570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54561 and 54570. First we will calculate the prime factors of 54561 and 54570.

Prime Factorization of 54561

Prime Factorization of 54570

Now multiplying the highest exponent prime factors to calculate the LCM of 54561 and 54570.

LCM(54561,54570) = 3¹ × 13¹ × 1399¹ × 2¹ × 5¹ × 17¹ × 107¹
LCM(54561,54570) = 992464590