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What is the Least Common Multiple of 69281 and 69288?

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 69281 and 69288 is 4800341928.

LCM(69281,69288) = 4800341928

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Least Common Multiple of 69281 and 69288 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69281 and 69288, than apply into the LCM equation.

GCF(69281,69288) = 1
LCM(69281,69288) = ( 69281 × 69288) / 1
LCM(69281,69288) = 4800341928 / 1
LCM(69281,69288) = 4800341928

Least Common Multiple (LCM) of 69281 and 69288 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69281 and 69288. First we will calculate the prime factors of 69281 and 69288.

Prime Factorization of 69281

Prime factors of 69281 are 29, 2389. Prime factorization of 69281 in exponential form is:

69281 = 291 × 23891

Prime Factorization of 69288

Prime factors of 69288 are 2, 3, 2887. Prime factorization of 69288 in exponential form is:

69288 = 23 × 31 × 28871

Now multiplying the highest exponent prime factors to calculate the LCM of 69281 and 69288.

LCM(69281,69288) = 291 × 23891 × 23 × 31 × 28871
LCM(69281,69288) = 4800341928