GCF and LCM Calculator Logo

What is the Least Common Multiple of 28670 and 28682?

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 28670 and 28682 is 411156470.

LCM(28670,28682) = 411156470

LCM Calculator and
and

Least Common Multiple of 28670 and 28682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28670 and 28682, than apply into the LCM equation.

GCF(28670,28682) = 2
LCM(28670,28682) = ( 28670 × 28682) / 2
LCM(28670,28682) = 822312940 / 2
LCM(28670,28682) = 411156470

Least Common Multiple (LCM) of 28670 and 28682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28670 and 28682. First we will calculate the prime factors of 28670 and 28682.

Prime Factorization of 28670

Prime factors of 28670 are 2, 5, 47, 61. Prime factorization of 28670 in exponential form is:

28670 = 21 × 51 × 471 × 611

Prime Factorization of 28682

Prime factors of 28682 are 2, 14341. Prime factorization of 28682 in exponential form is:

28682 = 21 × 143411

Now multiplying the highest exponent prime factors to calculate the LCM of 28670 and 28682.

LCM(28670,28682) = 21 × 51 × 471 × 611 × 143411
LCM(28670,28682) = 411156470