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What is the Least Common Multiple of 42585 and 42596?

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 42585 and 42596 is 1813950660.

LCM(42585,42596) = 1813950660

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Least Common Multiple of 42585 and 42596 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42585 and 42596, than apply into the LCM equation.

GCF(42585,42596) = 1
LCM(42585,42596) = ( 42585 × 42596) / 1
LCM(42585,42596) = 1813950660 / 1
LCM(42585,42596) = 1813950660

Least Common Multiple (LCM) of 42585 and 42596 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42585 and 42596. First we will calculate the prime factors of 42585 and 42596.

Prime Factorization of 42585

Prime factors of 42585 are 3, 5, 17, 167. Prime factorization of 42585 in exponential form is:

42585 = 31 × 51 × 171 × 1671

Prime Factorization of 42596

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

42596 = 22 × 231 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 42585 and 42596.

LCM(42585,42596) = 31 × 51 × 171 × 1671 × 22 × 231 × 4631
LCM(42585,42596) = 1813950660