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What is the Least Common Multiple of 28181 and 28199?

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 28181 and 28199 is 794676019.

LCM(28181,28199) = 794676019

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Least Common Multiple of 28181 and 28199 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28181 and 28199, than apply into the LCM equation.

GCF(28181,28199) = 1
LCM(28181,28199) = ( 28181 × 28199) / 1
LCM(28181,28199) = 794676019 / 1
LCM(28181,28199) = 794676019

Least Common Multiple (LCM) of 28181 and 28199 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28181 and 28199. First we will calculate the prime factors of 28181 and 28199.

Prime Factorization of 28181

Prime factors of 28181 are 28181. Prime factorization of 28181 in exponential form is:

28181 = 281811

Prime Factorization of 28199

Prime factors of 28199 are 163, 173. Prime factorization of 28199 in exponential form is:

28199 = 1631 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 28181 and 28199.

LCM(28181,28199) = 281811 × 1631 × 1731
LCM(28181,28199) = 794676019