GCF and LCM Calculator Logo

What is the Least Common Multiple of 72885 and 72894?

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 72885 and 72894 is 1770959730.

LCM(72885,72894) = 1770959730

LCM Calculator and
and

Least Common Multiple of 72885 and 72894 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72885 and 72894, than apply into the LCM equation.

GCF(72885,72894) = 3
LCM(72885,72894) = ( 72885 × 72894) / 3
LCM(72885,72894) = 5312879190 / 3
LCM(72885,72894) = 1770959730

Least Common Multiple (LCM) of 72885 and 72894 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72885 and 72894. First we will calculate the prime factors of 72885 and 72894.

Prime Factorization of 72885

Prime factors of 72885 are 3, 5, 43, 113. Prime factorization of 72885 in exponential form is:

72885 = 31 × 51 × 431 × 1131

Prime Factorization of 72894

Prime factors of 72894 are 2, 3, 12149. Prime factorization of 72894 in exponential form is:

72894 = 21 × 31 × 121491

Now multiplying the highest exponent prime factors to calculate the LCM of 72885 and 72894.

LCM(72885,72894) = 31 × 51 × 431 × 1131 × 21 × 121491
LCM(72885,72894) = 1770959730