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What is the Least Common Multiple of 42481 and 42498?

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 42481 and 42498 is 1805357538.

LCM(42481,42498) = 1805357538

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Least Common Multiple of 42481 and 42498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42481 and 42498, than apply into the LCM equation.

GCF(42481,42498) = 1
LCM(42481,42498) = ( 42481 × 42498) / 1
LCM(42481,42498) = 1805357538 / 1
LCM(42481,42498) = 1805357538

Least Common Multiple (LCM) of 42481 and 42498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42481 and 42498. First we will calculate the prime factors of 42481 and 42498.

Prime Factorization of 42481

Prime factors of 42481 are 23, 1847. Prime factorization of 42481 in exponential form is:

42481 = 231 × 18471

Prime Factorization of 42498

Prime factors of 42498 are 2, 3, 787. Prime factorization of 42498 in exponential form is:

42498 = 21 × 33 × 7871

Now multiplying the highest exponent prime factors to calculate the LCM of 42481 and 42498.

LCM(42481,42498) = 231 × 18471 × 21 × 33 × 7871
LCM(42481,42498) = 1805357538