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What is the Least Common Multiple of 11408 and 11422?

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 11408 and 11422 is 65151088.

LCM(11408,11422) = 65151088

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Least Common Multiple of 11408 and 11422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11408 and 11422, than apply into the LCM equation.

GCF(11408,11422) = 2
LCM(11408,11422) = ( 11408 × 11422) / 2
LCM(11408,11422) = 130302176 / 2
LCM(11408,11422) = 65151088

Least Common Multiple (LCM) of 11408 and 11422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11408 and 11422. First we will calculate the prime factors of 11408 and 11422.

Prime Factorization of 11408

Prime factors of 11408 are 2, 23, 31. Prime factorization of 11408 in exponential form is:

11408 = 24 × 231 × 311

Prime Factorization of 11422

Prime factors of 11422 are 2, 5711. Prime factorization of 11422 in exponential form is:

11422 = 21 × 57111

Now multiplying the highest exponent prime factors to calculate the LCM of 11408 and 11422.

LCM(11408,11422) = 24 × 231 × 311 × 57111
LCM(11408,11422) = 65151088