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What is the Least Common Multiple of 42596 and 42605?

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 42605 is 1814802580.

LCM(42596,42605) = 1814802580

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Least Common Multiple of 42596 and 42605 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 42605, than apply into the LCM equation.

GCF(42596,42605) = 1
LCM(42596,42605) = ( 42596 × 42605) / 1
LCM(42596,42605) = 1814802580 / 1
LCM(42596,42605) = 1814802580

Least Common Multiple (LCM) of 42596 and 42605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42596 and 42605. First we will calculate the prime factors of 42596 and 42605.

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 42605

Prime factors of 42605 are 5, 8521. Prime factorization of 42605 in exponential form is:

42605 = 51 × 85211

Now multiplying the highest exponent prime factors to calculate the LCM of 42596 and 42605.

LCM(42596,42605) = 22 × 231 × 4631 × 51 × 85211
LCM(42596,42605) = 1814802580