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What is the Least Common Multiple of 42699 and 42718?

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 42699 and 42718 is 1824015882.

LCM(42699,42718) = 1824015882

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Least Common Multiple of 42699 and 42718 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42699 and 42718, than apply into the LCM equation.

GCF(42699,42718) = 1
LCM(42699,42718) = ( 42699 × 42718) / 1
LCM(42699,42718) = 1824015882 / 1
LCM(42699,42718) = 1824015882

Least Common Multiple (LCM) of 42699 and 42718 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42699 and 42718. First we will calculate the prime factors of 42699 and 42718.

Prime Factorization of 42699

Prime factors of 42699 are 3, 43, 331. Prime factorization of 42699 in exponential form is:

42699 = 31 × 431 × 3311

Prime Factorization of 42718

Prime factors of 42718 are 2, 13, 31, 53. Prime factorization of 42718 in exponential form is:

42718 = 21 × 131 × 311 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 42699 and 42718.

LCM(42699,42718) = 31 × 431 × 3311 × 21 × 131 × 311 × 531
LCM(42699,42718) = 1824015882