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What is the Least Common Multiple of 42498 and 42503?

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 42498 and 42503 is 1806292494.

LCM(42498,42503) = 1806292494

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Least Common Multiple of 42498 and 42503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42498 and 42503, than apply into the LCM equation.

GCF(42498,42503) = 1
LCM(42498,42503) = ( 42498 × 42503) / 1
LCM(42498,42503) = 1806292494 / 1
LCM(42498,42503) = 1806292494

Least Common Multiple (LCM) of 42498 and 42503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42498 and 42503. First we will calculate the prime factors of 42498 and 42503.

Prime Factorization of 42498

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

42498 = 21 × 33 × 7871

Prime Factorization of 42503

Prime factors of 42503 are 19, 2237. Prime factorization of 42503 in exponential form is:

42503 = 191 × 22371

Now multiplying the highest exponent prime factors to calculate the LCM of 42498 and 42503.

LCM(42498,42503) = 21 × 33 × 7871 × 191 × 22371
LCM(42498,42503) = 1806292494