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What is the Least Common Multiple of 65404 and 65422?

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 65404 and 65422 is 2139430244.

LCM(65404,65422) = 2139430244

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Least Common Multiple of 65404 and 65422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65404 and 65422, than apply into the LCM equation.

GCF(65404,65422) = 2
LCM(65404,65422) = ( 65404 × 65422) / 2
LCM(65404,65422) = 4278860488 / 2
LCM(65404,65422) = 2139430244

Least Common Multiple (LCM) of 65404 and 65422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65404 and 65422. First we will calculate the prime factors of 65404 and 65422.

Prime Factorization of 65404

Prime factors of 65404 are 2, 83, 197. Prime factorization of 65404 in exponential form is:

65404 = 22 × 831 × 1971

Prime Factorization of 65422

Prime factors of 65422 are 2, 7, 4673. Prime factorization of 65422 in exponential form is:

65422 = 21 × 71 × 46731

Now multiplying the highest exponent prime factors to calculate the LCM of 65404 and 65422.

LCM(65404,65422) = 22 × 831 × 1971 × 71 × 46731
LCM(65404,65422) = 2139430244