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What is the Least Common Multiple of 91769 and 91789?

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 91769 and 91789 is 8423384741.

LCM(91769,91789) = 8423384741

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Least Common Multiple of 91769 and 91789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91769 and 91789, than apply into the LCM equation.

GCF(91769,91789) = 1
LCM(91769,91789) = ( 91769 × 91789) / 1
LCM(91769,91789) = 8423384741 / 1
LCM(91769,91789) = 8423384741

Least Common Multiple (LCM) of 91769 and 91789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91769 and 91789. First we will calculate the prime factors of 91769 and 91789.

Prime Factorization of 91769

Prime factors of 91769 are 163, 563. Prime factorization of 91769 in exponential form is:

91769 = 1631 × 5631

Prime Factorization of 91789

Prime factors of 91789 are 19, 4831. Prime factorization of 91789 in exponential form is:

91789 = 191 × 48311

Now multiplying the highest exponent prime factors to calculate the LCM of 91769 and 91789.

LCM(91769,91789) = 1631 × 5631 × 191 × 48311
LCM(91769,91789) = 8423384741