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What is the Least Common Multiple of 40573 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 40573 and 40581 is 1646492913.

LCM(40573,40581) = 1646492913

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Least Common Multiple of 40573 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 40573 and 40581, than apply into the LCM equation.

GCF(40573,40581) = 1
LCM(40573,40581) = ( 40573 × 40581) / 1
LCM(40573,40581) = 1646492913 / 1
LCM(40573,40581) = 1646492913

Least Common Multiple (LCM) of 40573 and 40581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40573 and 40581. First we will calculate the prime factors of 40573 and 40581.

Prime Factorization of 40573

Prime factors of 40573 are 13, 3121. Prime factorization of 40573 in exponential form is:

40573 = 131 × 31211

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 40573 and 40581.

LCM(40573,40581) = 131 × 31211 × 35 × 1671
LCM(40573,40581) = 1646492913