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What is the Least Common Multiple of 11200 and 11209?

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 11200 and 11209 is 125540800.

LCM(11200,11209) = 125540800

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Least Common Multiple of 11200 and 11209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11200 and 11209, than apply into the LCM equation.

GCF(11200,11209) = 1
LCM(11200,11209) = ( 11200 × 11209) / 1
LCM(11200,11209) = 125540800 / 1
LCM(11200,11209) = 125540800

Least Common Multiple (LCM) of 11200 and 11209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11200 and 11209. First we will calculate the prime factors of 11200 and 11209.

Prime Factorization of 11200

Prime factors of 11200 are 2, 5, 7. Prime factorization of 11200 in exponential form is:

11200 = 26 × 52 × 71

Prime Factorization of 11209

Prime factors of 11209 are 11, 1019. Prime factorization of 11209 in exponential form is:

11209 = 111 × 10191

Now multiplying the highest exponent prime factors to calculate the LCM of 11200 and 11209.

LCM(11200,11209) = 26 × 52 × 71 × 111 × 10191
LCM(11200,11209) = 125540800