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What is the Least Common Multiple of 40546 and 40563?

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 40546 and 40563 is 1644667398.

LCM(40546,40563) = 1644667398

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Least Common Multiple of 40546 and 40563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40546 and 40563, than apply into the LCM equation.

GCF(40546,40563) = 1
LCM(40546,40563) = ( 40546 × 40563) / 1
LCM(40546,40563) = 1644667398 / 1
LCM(40546,40563) = 1644667398

Least Common Multiple (LCM) of 40546 and 40563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40546 and 40563. First we will calculate the prime factors of 40546 and 40563.

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

Prime Factorization of 40563

Prime factors of 40563 are 3, 4507. Prime factorization of 40563 in exponential form is:

40563 = 32 × 45071

Now multiplying the highest exponent prime factors to calculate the LCM of 40546 and 40563.

LCM(40546,40563) = 21 × 111 × 191 × 971 × 32 × 45071
LCM(40546,40563) = 1644667398