GCF and LCM Calculator Logo

What is the Least Common Multiple of 72813 and 72826?

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 72813 and 72826 is 407898426.

LCM(72813,72826) = 407898426

LCM Calculator and
and

Least Common Multiple of 72813 and 72826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72813 and 72826, than apply into the LCM equation.

GCF(72813,72826) = 13
LCM(72813,72826) = ( 72813 × 72826) / 13
LCM(72813,72826) = 5302679538 / 13
LCM(72813,72826) = 407898426

Least Common Multiple (LCM) of 72813 and 72826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72813 and 72826. First we will calculate the prime factors of 72813 and 72826.

Prime Factorization of 72813

Prime factors of 72813 are 3, 13, 1867. Prime factorization of 72813 in exponential form is:

72813 = 31 × 131 × 18671

Prime Factorization of 72826

Prime factors of 72826 are 2, 13, 2801. Prime factorization of 72826 in exponential form is:

72826 = 21 × 131 × 28011

Now multiplying the highest exponent prime factors to calculate the LCM of 72813 and 72826.

LCM(72813,72826) = 31 × 131 × 18671 × 21 × 28011
LCM(72813,72826) = 407898426