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What is the Least Common Multiple of 91768 and 91772?

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 91768 and 91772 is 2105433224.

LCM(91768,91772) = 2105433224

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Least Common Multiple of 91768 and 91772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91768 and 91772, than apply into the LCM equation.

GCF(91768,91772) = 4
LCM(91768,91772) = ( 91768 × 91772) / 4
LCM(91768,91772) = 8421732896 / 4
LCM(91768,91772) = 2105433224

Least Common Multiple (LCM) of 91768 and 91772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91768 and 91772. First we will calculate the prime factors of 91768 and 91772.

Prime Factorization of 91768

Prime factors of 91768 are 2, 11471. Prime factorization of 91768 in exponential form is:

91768 = 23 × 114711

Prime Factorization of 91772

Prime factors of 91772 are 2, 22943. Prime factorization of 91772 in exponential form is:

91772 = 22 × 229431

Now multiplying the highest exponent prime factors to calculate the LCM of 91768 and 91772.

LCM(91768,91772) = 23 × 114711 × 229431
LCM(91768,91772) = 2105433224