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What is the Least Common Multiple of 40536 and 40546?

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 40546 is 821786328.

LCM(40536,40546) = 821786328

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Least Common Multiple of 40536 and 40546 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 40546, than apply into the LCM equation.

GCF(40536,40546) = 2
LCM(40536,40546) = ( 40536 × 40546) / 2
LCM(40536,40546) = 1643572656 / 2
LCM(40536,40546) = 821786328

Least Common Multiple (LCM) of 40536 and 40546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40536 and 40546. First we will calculate the prime factors of 40536 and 40546.

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 40546

Prime factors of 40546 are 2, 11, 19, 97. Prime factorization of 40546 in exponential form is:

40546 = 21 × 111 × 191 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 40536 and 40546.

LCM(40536,40546) = 23 × 32 × 5631 × 111 × 191 × 971
LCM(40536,40546) = 821786328