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What is the Least Common Multiple of 42273 and 42287?

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 42273 and 42287 is 255371193.

LCM(42273,42287) = 255371193

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Least Common Multiple of 42273 and 42287 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42273 and 42287, than apply into the LCM equation.

GCF(42273,42287) = 7
LCM(42273,42287) = ( 42273 × 42287) / 7
LCM(42273,42287) = 1787598351 / 7
LCM(42273,42287) = 255371193

Least Common Multiple (LCM) of 42273 and 42287 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42273 and 42287. First we will calculate the prime factors of 42273 and 42287.

Prime Factorization of 42273

Prime factors of 42273 are 3, 7, 11, 61. Prime factorization of 42273 in exponential form is:

42273 = 32 × 71 × 111 × 611

Prime Factorization of 42287

Prime factors of 42287 are 7, 863. Prime factorization of 42287 in exponential form is:

42287 = 72 × 8631

Now multiplying the highest exponent prime factors to calculate the LCM of 42273 and 42287.

LCM(42273,42287) = 32 × 72 × 111 × 611 × 8631
LCM(42273,42287) = 255371193