What is the Least Common Multiple of 45905 and 45918?

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 45905 and 45918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45905 and 45918, than apply into the LCM equation.

GCF(45905,45918) = 1
LCM(45905,45918) = ( 45905 × 45918) / 1
LCM(45905,45918) = 2107865790 / 1
LCM(45905,45918) = 2107865790

Least Common Multiple (LCM) of 45905 and 45918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45905 and 45918. First we will calculate the prime factors of 45905 and 45918.

Prime Factorization of 45905

Prime Factorization of 45918

Now multiplying the highest exponent prime factors to calculate the LCM of 45905 and 45918.

LCM(45905,45918) = 5¹ × 9181¹ × 2¹ × 3² × 2551¹
LCM(45905,45918) = 2107865790