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What is the Least Common Multiple of 91769 and 91788?

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 91788 is 8423292972.

LCM(91769,91788) = 8423292972

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Least Common Multiple of 91769 and 91788 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 91788, than apply into the LCM equation.

GCF(91769,91788) = 1
LCM(91769,91788) = ( 91769 × 91788) / 1
LCM(91769,91788) = 8423292972 / 1
LCM(91769,91788) = 8423292972

Least Common Multiple (LCM) of 91769 and 91788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91769 and 91788. First we will calculate the prime factors of 91769 and 91788.

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 91788

Prime factors of 91788 are 2, 3, 7649. Prime factorization of 91788 in exponential form is:

91788 = 22 × 31 × 76491

Now multiplying the highest exponent prime factors to calculate the LCM of 91769 and 91788.

LCM(91769,91788) = 1631 × 5631 × 22 × 31 × 76491
LCM(91769,91788) = 8423292972