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What is the Least Common Multiple of 83438 and 83457?

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 83438 and 83457 is 6963485166.

LCM(83438,83457) = 6963485166

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Least Common Multiple of 83438 and 83457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83438 and 83457, than apply into the LCM equation.

GCF(83438,83457) = 1
LCM(83438,83457) = ( 83438 × 83457) / 1
LCM(83438,83457) = 6963485166 / 1
LCM(83438,83457) = 6963485166

Least Common Multiple (LCM) of 83438 and 83457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83438 and 83457. First we will calculate the prime factors of 83438 and 83457.

Prime Factorization of 83438

Prime factors of 83438 are 2, 41719. Prime factorization of 83438 in exponential form is:

83438 = 21 × 417191

Prime Factorization of 83457

Prime factors of 83457 are 3, 11, 281. Prime factorization of 83457 in exponential form is:

83457 = 33 × 111 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 83438 and 83457.

LCM(83438,83457) = 21 × 417191 × 33 × 111 × 2811
LCM(83438,83457) = 6963485166