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What is the Least Common Multiple of 18828 and 18836?

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 18828 and 18836 is 88661052.

LCM(18828,18836) = 88661052

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Least Common Multiple of 18828 and 18836 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18828 and 18836, than apply into the LCM equation.

GCF(18828,18836) = 4
LCM(18828,18836) = ( 18828 × 18836) / 4
LCM(18828,18836) = 354644208 / 4
LCM(18828,18836) = 88661052

Least Common Multiple (LCM) of 18828 and 18836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18828 and 18836. First we will calculate the prime factors of 18828 and 18836.

Prime Factorization of 18828

Prime factors of 18828 are 2, 3, 523. Prime factorization of 18828 in exponential form is:

18828 = 22 × 32 × 5231

Prime Factorization of 18836

Prime factors of 18836 are 2, 17, 277. Prime factorization of 18836 in exponential form is:

18836 = 22 × 171 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 18828 and 18836.

LCM(18828,18836) = 22 × 32 × 5231 × 171 × 2771
LCM(18828,18836) = 88661052