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What is the Least Common Multiple of 43554 and 43568?

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 43568 is 135540048.

LCM(43554,43568) = 135540048

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Least Common Multiple of 43554 and 43568 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 43568, than apply into the LCM equation.

GCF(43554,43568) = 14
LCM(43554,43568) = ( 43554 × 43568) / 14
LCM(43554,43568) = 1897560672 / 14
LCM(43554,43568) = 135540048

Least Common Multiple (LCM) of 43554 and 43568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43554 and 43568. First we will calculate the prime factors of 43554 and 43568.

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 43568

Prime factors of 43568 are 2, 7, 389. Prime factorization of 43568 in exponential form is:

43568 = 24 × 71 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 43554 and 43568.

LCM(43554,43568) = 24 × 31 × 71 × 171 × 611 × 3891
LCM(43554,43568) = 135540048