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What is the Least Common Multiple of 28091 and 28098?

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 28091 and 28098 is 112757274.

LCM(28091,28098) = 112757274

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Least Common Multiple of 28091 and 28098 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28091 and 28098, than apply into the LCM equation.

GCF(28091,28098) = 7
LCM(28091,28098) = ( 28091 × 28098) / 7
LCM(28091,28098) = 789300918 / 7
LCM(28091,28098) = 112757274

Least Common Multiple (LCM) of 28091 and 28098 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28091 and 28098. First we will calculate the prime factors of 28091 and 28098.

Prime Factorization of 28091

Prime factors of 28091 are 7, 4013. Prime factorization of 28091 in exponential form is:

28091 = 71 × 40131

Prime Factorization of 28098

Prime factors of 28098 are 2, 3, 7, 223. Prime factorization of 28098 in exponential form is:

28098 = 21 × 32 × 71 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 28091 and 28098.

LCM(28091,28098) = 71 × 40131 × 21 × 32 × 2231
LCM(28091,28098) = 112757274