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What is the Least Common Multiple of 42596 and 42609?

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 42596 and 42609 is 1814972964.

LCM(42596,42609) = 1814972964

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Least Common Multiple of 42596 and 42609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42596 and 42609, than apply into the LCM equation.

GCF(42596,42609) = 1
LCM(42596,42609) = ( 42596 × 42609) / 1
LCM(42596,42609) = 1814972964 / 1
LCM(42596,42609) = 1814972964

Least Common Multiple (LCM) of 42596 and 42609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42596 and 42609. First we will calculate the prime factors of 42596 and 42609.

Prime Factorization of 42596

Prime factors of 42596 are 2, 23, 463. Prime factorization of 42596 in exponential form is:

42596 = 22 × 231 × 4631

Prime Factorization of 42609

Prime factors of 42609 are 3, 7, 2029. Prime factorization of 42609 in exponential form is:

42609 = 31 × 71 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 42596 and 42609.

LCM(42596,42609) = 22 × 231 × 4631 × 31 × 71 × 20291
LCM(42596,42609) = 1814972964