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What is the Least Common Multiple of 40590 and 40609?

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 40590 and 40609 is 1648319310.

LCM(40590,40609) = 1648319310

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Least Common Multiple of 40590 and 40609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40590 and 40609, than apply into the LCM equation.

GCF(40590,40609) = 1
LCM(40590,40609) = ( 40590 × 40609) / 1
LCM(40590,40609) = 1648319310 / 1
LCM(40590,40609) = 1648319310

Least Common Multiple (LCM) of 40590 and 40609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40590 and 40609. First we will calculate the prime factors of 40590 and 40609.

Prime Factorization of 40590

Prime factors of 40590 are 2, 3, 5, 11, 41. Prime factorization of 40590 in exponential form is:

40590 = 21 × 32 × 51 × 111 × 411

Prime Factorization of 40609

Prime factors of 40609 are 40609. Prime factorization of 40609 in exponential form is:

40609 = 406091

Now multiplying the highest exponent prime factors to calculate the LCM of 40590 and 40609.

LCM(40590,40609) = 21 × 32 × 51 × 111 × 411 × 406091
LCM(40590,40609) = 1648319310