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What is the Least Common Multiple of 40542 and 40555?

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 40542 and 40555 is 1644180810.

LCM(40542,40555) = 1644180810

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Least Common Multiple of 40542 and 40555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40542 and 40555, than apply into the LCM equation.

GCF(40542,40555) = 1
LCM(40542,40555) = ( 40542 × 40555) / 1
LCM(40542,40555) = 1644180810 / 1
LCM(40542,40555) = 1644180810

Least Common Multiple (LCM) of 40542 and 40555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40542 and 40555. First we will calculate the prime factors of 40542 and 40555.

Prime Factorization of 40542

Prime factors of 40542 are 2, 3, 29, 233. Prime factorization of 40542 in exponential form is:

40542 = 21 × 31 × 291 × 2331

Prime Factorization of 40555

Prime factors of 40555 are 5, 8111. Prime factorization of 40555 in exponential form is:

40555 = 51 × 81111

Now multiplying the highest exponent prime factors to calculate the LCM of 40542 and 40555.

LCM(40542,40555) = 21 × 31 × 291 × 2331 × 51 × 81111
LCM(40542,40555) = 1644180810