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What is the Least Common Multiple of 42494 and 42508?

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 42494 and 42508 is 903167476.

LCM(42494,42508) = 903167476

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Least Common Multiple of 42494 and 42508 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42494 and 42508, than apply into the LCM equation.

GCF(42494,42508) = 2
LCM(42494,42508) = ( 42494 × 42508) / 2
LCM(42494,42508) = 1806334952 / 2
LCM(42494,42508) = 903167476

Least Common Multiple (LCM) of 42494 and 42508 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42494 and 42508. First we will calculate the prime factors of 42494 and 42508.

Prime Factorization of 42494

Prime factors of 42494 are 2, 21247. Prime factorization of 42494 in exponential form is:

42494 = 21 × 212471

Prime Factorization of 42508

Prime factors of 42508 are 2, 10627. Prime factorization of 42508 in exponential form is:

42508 = 22 × 106271

Now multiplying the highest exponent prime factors to calculate the LCM of 42494 and 42508.

LCM(42494,42508) = 22 × 212471 × 106271
LCM(42494,42508) = 903167476