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What is the Least Common Multiple of 42257 and 42264?

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 42257 and 42264 is 1785949848.

LCM(42257,42264) = 1785949848

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Least Common Multiple of 42257 and 42264 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42257 and 42264, than apply into the LCM equation.

GCF(42257,42264) = 1
LCM(42257,42264) = ( 42257 × 42264) / 1
LCM(42257,42264) = 1785949848 / 1
LCM(42257,42264) = 1785949848

Least Common Multiple (LCM) of 42257 and 42264 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42257 and 42264. First we will calculate the prime factors of 42257 and 42264.

Prime Factorization of 42257

Prime factors of 42257 are 42257. Prime factorization of 42257 in exponential form is:

42257 = 422571

Prime Factorization of 42264

Prime factors of 42264 are 2, 3, 587. Prime factorization of 42264 in exponential form is:

42264 = 23 × 32 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 42257 and 42264.

LCM(42257,42264) = 422571 × 23 × 32 × 5871
LCM(42257,42264) = 1785949848