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What is the Least Common Multiple of 91530 and 91544?

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 91530 and 91544 is 4189511160.

LCM(91530,91544) = 4189511160

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Least Common Multiple of 91530 and 91544 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91530 and 91544, than apply into the LCM equation.

GCF(91530,91544) = 2
LCM(91530,91544) = ( 91530 × 91544) / 2
LCM(91530,91544) = 8379022320 / 2
LCM(91530,91544) = 4189511160

Least Common Multiple (LCM) of 91530 and 91544 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91530 and 91544. First we will calculate the prime factors of 91530 and 91544.

Prime Factorization of 91530

Prime factors of 91530 are 2, 3, 5, 113. Prime factorization of 91530 in exponential form is:

91530 = 21 × 34 × 51 × 1131

Prime Factorization of 91544

Prime factors of 91544 are 2, 11443. Prime factorization of 91544 in exponential form is:

91544 = 23 × 114431

Now multiplying the highest exponent prime factors to calculate the LCM of 91530 and 91544.

LCM(91530,91544) = 23 × 34 × 51 × 1131 × 114431
LCM(91530,91544) = 4189511160