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What is the Least Common Multiple of 72412 and 72422?

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 72412 and 72422 is 2622110932.

LCM(72412,72422) = 2622110932

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Least Common Multiple of 72412 and 72422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72412 and 72422, than apply into the LCM equation.

GCF(72412,72422) = 2
LCM(72412,72422) = ( 72412 × 72422) / 2
LCM(72412,72422) = 5244221864 / 2
LCM(72412,72422) = 2622110932

Least Common Multiple (LCM) of 72412 and 72422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72412 and 72422. First we will calculate the prime factors of 72412 and 72422.

Prime Factorization of 72412

Prime factors of 72412 are 2, 43, 421. Prime factorization of 72412 in exponential form is:

72412 = 22 × 431 × 4211

Prime Factorization of 72422

Prime factors of 72422 are 2, 7, 739. Prime factorization of 72422 in exponential form is:

72422 = 21 × 72 × 7391

Now multiplying the highest exponent prime factors to calculate the LCM of 72412 and 72422.

LCM(72412,72422) = 22 × 431 × 4211 × 72 × 7391
LCM(72412,72422) = 2622110932