GCF and LCM Calculator Logo

What is the Least Common Multiple of 28670 and 28679?

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 28679 is 822226930.

LCM(28670,28679) = 822226930

LCM Calculator and
and

Least Common Multiple of 28670 and 28679 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 28679, than apply into the LCM equation.

GCF(28670,28679) = 1
LCM(28670,28679) = ( 28670 × 28679) / 1
LCM(28670,28679) = 822226930 / 1
LCM(28670,28679) = 822226930

Least Common Multiple (LCM) of 28670 and 28679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28670 and 28679. First we will calculate the prime factors of 28670 and 28679.

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 28679

Prime factors of 28679 are 7, 17, 241. Prime factorization of 28679 in exponential form is:

28679 = 71 × 171 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 28670 and 28679.

LCM(28670,28679) = 21 × 51 × 471 × 611 × 71 × 171 × 2411
LCM(28670,28679) = 822226930