GCF and LCM Calculator Logo

What is the Least Common Multiple of 28046 and 28056?

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 28046 and 28056 is 393429288.

LCM(28046,28056) = 393429288

LCM Calculator and
and

Least Common Multiple of 28046 and 28056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28046 and 28056, than apply into the LCM equation.

GCF(28046,28056) = 2
LCM(28046,28056) = ( 28046 × 28056) / 2
LCM(28046,28056) = 786858576 / 2
LCM(28046,28056) = 393429288

Least Common Multiple (LCM) of 28046 and 28056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28046 and 28056. First we will calculate the prime factors of 28046 and 28056.

Prime Factorization of 28046

Prime factors of 28046 are 2, 37, 379. Prime factorization of 28046 in exponential form is:

28046 = 21 × 371 × 3791

Prime Factorization of 28056

Prime factors of 28056 are 2, 3, 7, 167. Prime factorization of 28056 in exponential form is:

28056 = 23 × 31 × 71 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 28046 and 28056.

LCM(28046,28056) = 23 × 371 × 3791 × 31 × 71 × 1671
LCM(28046,28056) = 393429288