GCF and LCM Calculator Logo

What is the Least Common Multiple of 40543 and 40558?

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 40543 and 40558 is 1644342994.

LCM(40543,40558) = 1644342994

LCM Calculator and
and

Least Common Multiple of 40543 and 40558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40543 and 40558, than apply into the LCM equation.

GCF(40543,40558) = 1
LCM(40543,40558) = ( 40543 × 40558) / 1
LCM(40543,40558) = 1644342994 / 1
LCM(40543,40558) = 1644342994

Least Common Multiple (LCM) of 40543 and 40558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40543 and 40558. First we will calculate the prime factors of 40543 and 40558.

Prime Factorization of 40543

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

40543 = 405431

Prime Factorization of 40558

Prime factors of 40558 are 2, 7, 2897. Prime factorization of 40558 in exponential form is:

40558 = 21 × 71 × 28971

Now multiplying the highest exponent prime factors to calculate the LCM of 40543 and 40558.

LCM(40543,40558) = 405431 × 21 × 71 × 28971
LCM(40543,40558) = 1644342994