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What is the Least Common Multiple of 40565 and 40581?

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 40565 and 40581 is 1646168265.

LCM(40565,40581) = 1646168265

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Least Common Multiple of 40565 and 40581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40565 and 40581, than apply into the LCM equation.

GCF(40565,40581) = 1
LCM(40565,40581) = ( 40565 × 40581) / 1
LCM(40565,40581) = 1646168265 / 1
LCM(40565,40581) = 1646168265

Least Common Multiple (LCM) of 40565 and 40581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40565 and 40581. First we will calculate the prime factors of 40565 and 40581.

Prime Factorization of 40565

Prime factors of 40565 are 5, 7, 19, 61. Prime factorization of 40565 in exponential form is:

40565 = 51 × 71 × 191 × 611

Prime Factorization of 40581

Prime factors of 40581 are 3, 167. Prime factorization of 40581 in exponential form is:

40581 = 35 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 40565 and 40581.

LCM(40565,40581) = 51 × 71 × 191 × 611 × 35 × 1671
LCM(40565,40581) = 1646168265