GCF and LCM Calculator Logo

What is the Least Common Multiple of 80040 and 80056?

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 80040 and 80056 is 800960280.

LCM(80040,80056) = 800960280

LCM Calculator and
and

Least Common Multiple of 80040 and 80056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80040 and 80056, than apply into the LCM equation.

GCF(80040,80056) = 8
LCM(80040,80056) = ( 80040 × 80056) / 8
LCM(80040,80056) = 6407682240 / 8
LCM(80040,80056) = 800960280

Least Common Multiple (LCM) of 80040 and 80056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80040 and 80056. First we will calculate the prime factors of 80040 and 80056.

Prime Factorization of 80040

Prime factors of 80040 are 2, 3, 5, 23, 29. Prime factorization of 80040 in exponential form is:

80040 = 23 × 31 × 51 × 231 × 291

Prime Factorization of 80056

Prime factors of 80056 are 2, 10007. Prime factorization of 80056 in exponential form is:

80056 = 23 × 100071

Now multiplying the highest exponent prime factors to calculate the LCM of 80040 and 80056.

LCM(80040,80056) = 23 × 31 × 51 × 231 × 291 × 100071
LCM(80040,80056) = 800960280