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What is the Least Common Multiple of 91888 and 91898?

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 91888 and 91898 is 4222161712.

LCM(91888,91898) = 4222161712

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Least Common Multiple of 91888 and 91898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91888 and 91898, than apply into the LCM equation.

GCF(91888,91898) = 2
LCM(91888,91898) = ( 91888 × 91898) / 2
LCM(91888,91898) = 8444323424 / 2
LCM(91888,91898) = 4222161712

Least Common Multiple (LCM) of 91888 and 91898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91888 and 91898. First we will calculate the prime factors of 91888 and 91898.

Prime Factorization of 91888

Prime factors of 91888 are 2, 5743. Prime factorization of 91888 in exponential form is:

91888 = 24 × 57431

Prime Factorization of 91898

Prime factors of 91898 are 2, 45949. Prime factorization of 91898 in exponential form is:

91898 = 21 × 459491

Now multiplying the highest exponent prime factors to calculate the LCM of 91888 and 91898.

LCM(91888,91898) = 24 × 57431 × 459491
LCM(91888,91898) = 4222161712