GCF and LCM Calculator Logo

What is the Least Common Multiple of 40536 and 40543?

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 40536 and 40543 is 1643451048.

LCM(40536,40543) = 1643451048

LCM Calculator and
and

Least Common Multiple of 40536 and 40543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40536 and 40543, than apply into the LCM equation.

GCF(40536,40543) = 1
LCM(40536,40543) = ( 40536 × 40543) / 1
LCM(40536,40543) = 1643451048 / 1
LCM(40536,40543) = 1643451048

Least Common Multiple (LCM) of 40536 and 40543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40536 and 40543. First we will calculate the prime factors of 40536 and 40543.

Prime Factorization of 40536

Prime factors of 40536 are 2, 3, 563. Prime factorization of 40536 in exponential form is:

40536 = 23 × 32 × 5631

Prime Factorization of 40543

Prime factors of 40543 are 40543. Prime factorization of 40543 in exponential form is:

40543 = 405431

Now multiplying the highest exponent prime factors to calculate the LCM of 40536 and 40543.

LCM(40536,40543) = 23 × 32 × 5631 × 405431
LCM(40536,40543) = 1643451048