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What is the Least Common Multiple of 19393 and 19410?

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 19393 and 19410 is 376418130.

LCM(19393,19410) = 376418130

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Least Common Multiple of 19393 and 19410 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19393 and 19410, than apply into the LCM equation.

GCF(19393,19410) = 1
LCM(19393,19410) = ( 19393 × 19410) / 1
LCM(19393,19410) = 376418130 / 1
LCM(19393,19410) = 376418130

Least Common Multiple (LCM) of 19393 and 19410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19393 and 19410. First we will calculate the prime factors of 19393 and 19410.

Prime Factorization of 19393

Prime factors of 19393 are 11, 41, 43. Prime factorization of 19393 in exponential form is:

19393 = 111 × 411 × 431

Prime Factorization of 19410

Prime factors of 19410 are 2, 3, 5, 647. Prime factorization of 19410 in exponential form is:

19410 = 21 × 31 × 51 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 19393 and 19410.

LCM(19393,19410) = 111 × 411 × 431 × 21 × 31 × 51 × 6471
LCM(19393,19410) = 376418130