GCF and LCM Calculator Logo

What is the Least Common Multiple of 28174 and 28190?

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 28174 and 28190 is 397112530.

LCM(28174,28190) = 397112530

LCM Calculator and
and

Least Common Multiple of 28174 and 28190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28174 and 28190, than apply into the LCM equation.

GCF(28174,28190) = 2
LCM(28174,28190) = ( 28174 × 28190) / 2
LCM(28174,28190) = 794225060 / 2
LCM(28174,28190) = 397112530

Least Common Multiple (LCM) of 28174 and 28190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28174 and 28190. First we will calculate the prime factors of 28174 and 28190.

Prime Factorization of 28174

Prime factors of 28174 are 2, 14087. Prime factorization of 28174 in exponential form is:

28174 = 21 × 140871

Prime Factorization of 28190

Prime factors of 28190 are 2, 5, 2819. Prime factorization of 28190 in exponential form is:

28190 = 21 × 51 × 28191

Now multiplying the highest exponent prime factors to calculate the LCM of 28174 and 28190.

LCM(28174,28190) = 21 × 140871 × 51 × 28191
LCM(28174,28190) = 397112530