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What is the Least Common Multiple of 10409 and 10422?

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 10409 and 10422 is 108482598.

LCM(10409,10422) = 108482598

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Least Common Multiple of 10409 and 10422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10409 and 10422, than apply into the LCM equation.

GCF(10409,10422) = 1
LCM(10409,10422) = ( 10409 × 10422) / 1
LCM(10409,10422) = 108482598 / 1
LCM(10409,10422) = 108482598

Least Common Multiple (LCM) of 10409 and 10422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10409 and 10422. First we will calculate the prime factors of 10409 and 10422.

Prime Factorization of 10409

Prime factors of 10409 are 7, 1487. Prime factorization of 10409 in exponential form is:

10409 = 71 × 14871

Prime Factorization of 10422

Prime factors of 10422 are 2, 3, 193. Prime factorization of 10422 in exponential form is:

10422 = 21 × 33 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 10409 and 10422.

LCM(10409,10422) = 71 × 14871 × 21 × 33 × 1931
LCM(10409,10422) = 108482598