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What is the Least Common Multiple of 40531 and 40542?

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 40531 and 40542 is 1643207802.

LCM(40531,40542) = 1643207802

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Least Common Multiple of 40531 and 40542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40531 and 40542, than apply into the LCM equation.

GCF(40531,40542) = 1
LCM(40531,40542) = ( 40531 × 40542) / 1
LCM(40531,40542) = 1643207802 / 1
LCM(40531,40542) = 1643207802

Least Common Multiple (LCM) of 40531 and 40542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40531 and 40542. First we will calculate the prime factors of 40531 and 40542.

Prime Factorization of 40531

Prime factors of 40531 are 40531. Prime factorization of 40531 in exponential form is:

40531 = 405311

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

Now multiplying the highest exponent prime factors to calculate the LCM of 40531 and 40542.

LCM(40531,40542) = 405311 × 21 × 31 × 291 × 2331
LCM(40531,40542) = 1643207802