What is the Least Common Multiple of 45686 and 45690?

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 45686 and 45690 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45686 and 45690, than apply into the LCM equation.

GCF(45686,45690) = 2
LCM(45686,45690) = ( 45686 × 45690) / 2
LCM(45686,45690) = 2087393340 / 2
LCM(45686,45690) = 1043696670

Least Common Multiple (LCM) of 45686 and 45690 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45686 and 45690. First we will calculate the prime factors of 45686 and 45690.

Prime Factorization of 45686

Prime Factorization of 45690

Now multiplying the highest exponent prime factors to calculate the LCM of 45686 and 45690.

LCM(45686,45690) = 2¹ × 53¹ × 431¹ × 3¹ × 5¹ × 1523¹
LCM(45686,45690) = 1043696670