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What is the Least Common Multiple of 42442 and 42459?

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 42442 and 42459 is 1802044878.

LCM(42442,42459) = 1802044878

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Least Common Multiple of 42442 and 42459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42442 and 42459, than apply into the LCM equation.

GCF(42442,42459) = 1
LCM(42442,42459) = ( 42442 × 42459) / 1
LCM(42442,42459) = 1802044878 / 1
LCM(42442,42459) = 1802044878

Least Common Multiple (LCM) of 42442 and 42459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42442 and 42459. First we will calculate the prime factors of 42442 and 42459.

Prime Factorization of 42442

Prime factors of 42442 are 2, 21221. Prime factorization of 42442 in exponential form is:

42442 = 21 × 212211

Prime Factorization of 42459

Prime factors of 42459 are 3, 14153. Prime factorization of 42459 in exponential form is:

42459 = 31 × 141531

Now multiplying the highest exponent prime factors to calculate the LCM of 42442 and 42459.

LCM(42442,42459) = 21 × 212211 × 31 × 141531
LCM(42442,42459) = 1802044878