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What is the Least Common Multiple of 42384 and 42395?

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 42384 and 42395 is 1796869680.

LCM(42384,42395) = 1796869680

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Least Common Multiple of 42384 and 42395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42384 and 42395, than apply into the LCM equation.

GCF(42384,42395) = 1
LCM(42384,42395) = ( 42384 × 42395) / 1
LCM(42384,42395) = 1796869680 / 1
LCM(42384,42395) = 1796869680

Least Common Multiple (LCM) of 42384 and 42395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42384 and 42395. First we will calculate the prime factors of 42384 and 42395.

Prime Factorization of 42384

Prime factors of 42384 are 2, 3, 883. Prime factorization of 42384 in exponential form is:

42384 = 24 × 31 × 8831

Prime Factorization of 42395

Prime factors of 42395 are 5, 61, 139. Prime factorization of 42395 in exponential form is:

42395 = 51 × 611 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 42384 and 42395.

LCM(42384,42395) = 24 × 31 × 8831 × 51 × 611 × 1391
LCM(42384,42395) = 1796869680