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What is the Least Common Multiple of 43554 and 43563?

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 43554 and 43563 is 632447634.

LCM(43554,43563) = 632447634

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Least Common Multiple of 43554 and 43563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43554 and 43563, than apply into the LCM equation.

GCF(43554,43563) = 3
LCM(43554,43563) = ( 43554 × 43563) / 3
LCM(43554,43563) = 1897342902 / 3
LCM(43554,43563) = 632447634

Least Common Multiple (LCM) of 43554 and 43563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43554 and 43563. First we will calculate the prime factors of 43554 and 43563.

Prime Factorization of 43554

Prime factors of 43554 are 2, 3, 7, 17, 61. Prime factorization of 43554 in exponential form is:

43554 = 21 × 31 × 71 × 171 × 611

Prime Factorization of 43563

Prime factors of 43563 are 3, 13, 1117. Prime factorization of 43563 in exponential form is:

43563 = 31 × 131 × 11171

Now multiplying the highest exponent prime factors to calculate the LCM of 43554 and 43563.

LCM(43554,43563) = 21 × 31 × 71 × 171 × 611 × 131 × 11171
LCM(43554,43563) = 632447634