GCF and LCM Calculator Logo

What is the Least Common Multiple of 28945 and 28964?

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 28945 and 28964 is 838362980.

LCM(28945,28964) = 838362980

LCM Calculator and
and

Least Common Multiple of 28945 and 28964 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28945 and 28964, than apply into the LCM equation.

GCF(28945,28964) = 1
LCM(28945,28964) = ( 28945 × 28964) / 1
LCM(28945,28964) = 838362980 / 1
LCM(28945,28964) = 838362980

Least Common Multiple (LCM) of 28945 and 28964 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28945 and 28964. First we will calculate the prime factors of 28945 and 28964.

Prime Factorization of 28945

Prime factors of 28945 are 5, 7, 827. Prime factorization of 28945 in exponential form is:

28945 = 51 × 71 × 8271

Prime Factorization of 28964

Prime factors of 28964 are 2, 13, 557. Prime factorization of 28964 in exponential form is:

28964 = 22 × 131 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 28945 and 28964.

LCM(28945,28964) = 51 × 71 × 8271 × 22 × 131 × 5571
LCM(28945,28964) = 838362980