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What is the Least Common Multiple of 9540 and 9544?

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 9540 and 9544 is 22762440.

LCM(9540,9544) = 22762440

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Least Common Multiple of 9540 and 9544 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9540 and 9544, than apply into the LCM equation.

GCF(9540,9544) = 4
LCM(9540,9544) = ( 9540 × 9544) / 4
LCM(9540,9544) = 91049760 / 4
LCM(9540,9544) = 22762440

Least Common Multiple (LCM) of 9540 and 9544 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9540 and 9544. First we will calculate the prime factors of 9540 and 9544.

Prime Factorization of 9540

Prime factors of 9540 are 2, 3, 5, 53. Prime factorization of 9540 in exponential form is:

9540 = 22 × 32 × 51 × 531

Prime Factorization of 9544

Prime factors of 9544 are 2, 1193. Prime factorization of 9544 in exponential form is:

9544 = 23 × 11931

Now multiplying the highest exponent prime factors to calculate the LCM of 9540 and 9544.

LCM(9540,9544) = 23 × 32 × 51 × 531 × 11931
LCM(9540,9544) = 22762440