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What is the Least Common Multiple of 91519 and 91531?

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 91519 and 91531 is 8376825589.

LCM(91519,91531) = 8376825589

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Least Common Multiple of 91519 and 91531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91519 and 91531, than apply into the LCM equation.

GCF(91519,91531) = 1
LCM(91519,91531) = ( 91519 × 91531) / 1
LCM(91519,91531) = 8376825589 / 1
LCM(91519,91531) = 8376825589

Least Common Multiple (LCM) of 91519 and 91531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91519 and 91531. First we will calculate the prime factors of 91519 and 91531.

Prime Factorization of 91519

Prime factors of 91519 are 71, 1289. Prime factorization of 91519 in exponential form is:

91519 = 711 × 12891

Prime Factorization of 91531

Prime factors of 91531 are 11, 53, 157. Prime factorization of 91531 in exponential form is:

91531 = 111 × 531 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 91519 and 91531.

LCM(91519,91531) = 711 × 12891 × 111 × 531 × 1571
LCM(91519,91531) = 8376825589