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What is the Least Common Multiple of 19411 and 19422?

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 19411 and 19422 is 377000442.

LCM(19411,19422) = 377000442

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Least Common Multiple of 19411 and 19422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19411 and 19422, than apply into the LCM equation.

GCF(19411,19422) = 1
LCM(19411,19422) = ( 19411 × 19422) / 1
LCM(19411,19422) = 377000442 / 1
LCM(19411,19422) = 377000442

Least Common Multiple (LCM) of 19411 and 19422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19411 and 19422. First we will calculate the prime factors of 19411 and 19422.

Prime Factorization of 19411

Prime factors of 19411 are 7, 47, 59. Prime factorization of 19411 in exponential form is:

19411 = 71 × 471 × 591

Prime Factorization of 19422

Prime factors of 19422 are 2, 3, 13, 83. Prime factorization of 19422 in exponential form is:

19422 = 21 × 32 × 131 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 19411 and 19422.

LCM(19411,19422) = 71 × 471 × 591 × 21 × 32 × 131 × 831
LCM(19411,19422) = 377000442