GCF and LCM Calculator Logo

What is the Least Common Multiple of 28804 and 28821?

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 28804 and 28821 is 830160084.

LCM(28804,28821) = 830160084

LCM Calculator and
and

Least Common Multiple of 28804 and 28821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28804 and 28821, than apply into the LCM equation.

GCF(28804,28821) = 1
LCM(28804,28821) = ( 28804 × 28821) / 1
LCM(28804,28821) = 830160084 / 1
LCM(28804,28821) = 830160084

Least Common Multiple (LCM) of 28804 and 28821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28804 and 28821. First we will calculate the prime factors of 28804 and 28821.

Prime Factorization of 28804

Prime factors of 28804 are 2, 19, 379. Prime factorization of 28804 in exponential form is:

28804 = 22 × 191 × 3791

Prime Factorization of 28821

Prime factors of 28821 are 3, 13, 739. Prime factorization of 28821 in exponential form is:

28821 = 31 × 131 × 7391

Now multiplying the highest exponent prime factors to calculate the LCM of 28804 and 28821.

LCM(28804,28821) = 22 × 191 × 3791 × 31 × 131 × 7391
LCM(28804,28821) = 830160084