What is the Least Common Multiple of 45921 and 45940?

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 45921 and 45940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45921 and 45940, than apply into the LCM equation.

GCF(45921,45940) = 1
LCM(45921,45940) = ( 45921 × 45940) / 1
LCM(45921,45940) = 2109610740 / 1
LCM(45921,45940) = 2109610740

Least Common Multiple (LCM) of 45921 and 45940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45921 and 45940. First we will calculate the prime factors of 45921 and 45940.

Prime Factorization of 45921

Prime Factorization of 45940

Now multiplying the highest exponent prime factors to calculate the LCM of 45921 and 45940.

LCM(45921,45940) = 3¹ × 15307¹ × 2² × 5¹ × 2297¹
LCM(45921,45940) = 2109610740