GCF and LCM Calculator Logo

What is the Least Common Multiple of 40815 and 40828?

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 (LCM) of 40815 and 40828 is 1666394820.

LCM(40815,40828) = 1666394820

LCM Calculator and
and

Least Common Multiple of 40815 and 40828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40815 and 40828, than apply into the LCM equation.

GCF(40815,40828) = 1
LCM(40815,40828) = ( 40815 × 40828) / 1
LCM(40815,40828) = 1666394820 / 1
LCM(40815,40828) = 1666394820

Least Common Multiple (LCM) of 40815 and 40828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40815 and 40828. First we will calculate the prime factors of 40815 and 40828.

Prime Factorization of 40815

Prime factors of 40815 are 3, 5, 907. Prime factorization of 40815 in exponential form is:

40815 = 32 × 51 × 9071

Prime Factorization of 40828

Prime factors of 40828 are 2, 59, 173. Prime factorization of 40828 in exponential form is:

40828 = 22 × 591 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 40815 and 40828.

LCM(40815,40828) = 32 × 51 × 9071 × 22 × 591 × 1731
LCM(40815,40828) = 1666394820