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What is the Least Common Multiple of 20199 and 20218?

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 20199 and 20218 is 408383382.

LCM(20199,20218) = 408383382

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Least Common Multiple of 20199 and 20218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20199 and 20218, than apply into the LCM equation.

GCF(20199,20218) = 1
LCM(20199,20218) = ( 20199 × 20218) / 1
LCM(20199,20218) = 408383382 / 1
LCM(20199,20218) = 408383382

Least Common Multiple (LCM) of 20199 and 20218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20199 and 20218. First we will calculate the prime factors of 20199 and 20218.

Prime Factorization of 20199

Prime factors of 20199 are 3, 6733. Prime factorization of 20199 in exponential form is:

20199 = 31 × 67331

Prime Factorization of 20218

Prime factors of 20218 are 2, 11, 919. Prime factorization of 20218 in exponential form is:

20218 = 21 × 111 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 20199 and 20218.

LCM(20199,20218) = 31 × 67331 × 21 × 111 × 9191
LCM(20199,20218) = 408383382