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What is the Least Common Multiple of 42243 and 42258?

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 42243 and 42258 is 595034898.

LCM(42243,42258) = 595034898

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Least Common Multiple of 42243 and 42258 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42243 and 42258, than apply into the LCM equation.

GCF(42243,42258) = 3
LCM(42243,42258) = ( 42243 × 42258) / 3
LCM(42243,42258) = 1785104694 / 3
LCM(42243,42258) = 595034898

Least Common Multiple (LCM) of 42243 and 42258 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42243 and 42258. First we will calculate the prime factors of 42243 and 42258.

Prime Factorization of 42243

Prime factors of 42243 are 3, 14081. Prime factorization of 42243 in exponential form is:

42243 = 31 × 140811

Prime Factorization of 42258

Prime factors of 42258 are 2, 3, 7043. Prime factorization of 42258 in exponential form is:

42258 = 21 × 31 × 70431

Now multiplying the highest exponent prime factors to calculate the LCM of 42243 and 42258.

LCM(42243,42258) = 31 × 140811 × 21 × 70431
LCM(42243,42258) = 595034898