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What is the Least Common Multiple of 53566 and 53578?

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 53566 and 53578 is 1434979574.

LCM(53566,53578) = 1434979574

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Least Common Multiple of 53566 and 53578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53566 and 53578, than apply into the LCM equation.

GCF(53566,53578) = 2
LCM(53566,53578) = ( 53566 × 53578) / 2
LCM(53566,53578) = 2869959148 / 2
LCM(53566,53578) = 1434979574

Least Common Multiple (LCM) of 53566 and 53578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53566 and 53578. First we will calculate the prime factors of 53566 and 53578.

Prime Factorization of 53566

Prime factors of 53566 are 2, 26783. Prime factorization of 53566 in exponential form is:

53566 = 21 × 267831

Prime Factorization of 53578

Prime factors of 53578 are 2, 7, 43, 89. Prime factorization of 53578 in exponential form is:

53578 = 21 × 71 × 431 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 53566 and 53578.

LCM(53566,53578) = 21 × 267831 × 71 × 431 × 891
LCM(53566,53578) = 1434979574