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What is the Least Common Multiple of 42439 and 42450?

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 42439 and 42450 is 1801535550.

LCM(42439,42450) = 1801535550

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Least Common Multiple of 42439 and 42450 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42439 and 42450, than apply into the LCM equation.

GCF(42439,42450) = 1
LCM(42439,42450) = ( 42439 × 42450) / 1
LCM(42439,42450) = 1801535550 / 1
LCM(42439,42450) = 1801535550

Least Common Multiple (LCM) of 42439 and 42450 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42439 and 42450. First we will calculate the prime factors of 42439 and 42450.

Prime Factorization of 42439

Prime factors of 42439 are 31, 37. Prime factorization of 42439 in exponential form is:

42439 = 311 × 372

Prime Factorization of 42450

Prime factors of 42450 are 2, 3, 5, 283. Prime factorization of 42450 in exponential form is:

42450 = 21 × 31 × 52 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 42439 and 42450.

LCM(42439,42450) = 311 × 372 × 21 × 31 × 52 × 2831
LCM(42439,42450) = 1801535550